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Hitachi Ltd
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Hitachi Ltd patents

Recent patent applications related to Hitachi Ltd. Hitachi Ltd is listed as an Agent/Assignee. Note: Hitachi Ltd may have other listings under different names/spellings. We're not affiliated with Hitachi Ltd, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "H" | Hitachi Ltd-related inventors

 new patent  Laser measuring device and laser ultrasonic device

A laser measuring device includes a light source, a first splitter, a second splitter, first photodetection units, and second photodetection units. The light source emits laser light. The first splitter splits the laser light into light to be incident on a specimen and reference light that travels in a predetermined... Hitachi Ltd

 new patent  Chemical analysis apparatus, pretreatment apparatus, and chemical analysis method

A chemical analysis apparatus that quantitatively determines an object of detection rapidly with high sensitivity, and a pretreatment apparatus and a chemical analysis method used for the chemical analysis apparatus, are provided. The chemical analysis apparatus includes a pretreatment unit that accommodates a molecularly imprinted polymer capable of capturing a... Hitachi Ltd

 new patent  Magnetic resonance imaging apparatus

In an MRI apparatus, an imaging that produces almost no sound is implemented without extending an imaging time, not only for three-dimensional imaging, but also for two-dimensional imaging. A gradient pulse in a pulse sequence provided in the MRI apparatus is adjusted by using a basic waveform having a distribution... Hitachi Ltd

 new patent  Method for analyzing impact of change and its apparatus

In order to realize a method for analyzing an impact of change with less misidentification and missing, an apparatus for analyzing an impact of change for investigating a change impact range caused by a change in requirements and specifications includes: a storage unit that stores design information and keywords; an... Hitachi Ltd

 new patent  Computer system

A virtual parity group including virtual storage drives is formed. A redundant data set is stored in a virtual stripe array including virtual stripes that are virtual storage regions of a prescribed size of the respective virtual storage drives constituting the virtual parity group. The virtual stripes of the virtual... Hitachi Ltd

 new patent  Image search apparatus, system, and method

An image search apparatus including: an accumulation unit that accumulates search target images; an area detector that learns search priority by analyzing first information extracted from a plurality of first areas included in a plurality of the search target images, analyzes second information extracted from a plurality of second areas... Hitachi Ltd

 new patent  Computer system and database management method

A blockwise-erase nonvolatile storage device for storing a database includes extended logical-to-physical conversion information that associates, for each of a plurality of logical addresses, a timestamp, a physical address, and a reference counter with each other. Each reference counter indicates the number of referring sources to refer to data associated... Hitachi Ltd

 new patent  Confidential data processing system

Encryption methods allowing encrypted data to be stored in a database and processed in the encrypted state have been proposed. However, since it is necessary for an application to use plaintext data, usage is only possible where security is assured. When an application for processing encrypted data stored in a... Hitachi Ltd

 new patent  Search apparatus and search method

A search apparatus receives an input target value, which indicates a condition to be set in a semiconductor processing apparatus or a result obtained by processing the semiconductor using the processing apparatus, a reference value of the condition inside a search area, and the result, wherein the reference value is... Hitachi Ltd

 new patent  Field winding type synchronous motor and control method thereof

A field winding type synchronous motor includes an exciter 4 and, after starting by forming a short circuit of a field winding 10, excites the field winding by using the exciter, and includes a starting control circuit 30 that outputs a control signal controlling On/Off of a first opening/closing device,... Hitachi Ltd

Radiation therapy system

An object is to provide a radiation therapy system which can easily and accurately set an X-ray irradiation range. A movable X-ray diaphragm unit 6 has, in its configuration, an X-ray shielding unit configured with a plurality of members, a driver for the X-ray shielding unit, and a position detector... Hitachi Ltd

Immobilization carrier, polyether compound used for producing same and producing immobilization carrier

Provided are an immobilization carrier, a polyether compound used for production thereof and a method for producing the carrier. The immobilization carrier have both excellent strength and toughness while a content of a polymer forming hydrous gel is suppressed, The immobilization carrier includes a polymer having a repeated unit provided... Hitachi Ltd

Circular single-stranded nucleic acid, preparing the same, and using the same

An object of the present invention is to provide a circular single-stranded nucleic acid, and a method for preparing the same and a method for using the same. A circular single-stranded nucleic acid according to one embodiment of the present invention is a circular single-stranded nucleic acid for determining a... Hitachi Ltd

Composite structure

Warping or peeling is suppressed in a composite structure of structures made of different constituent materials. Provided is a composite structure 10 obtained by joining a first structure 1 and a second structure 2 made of a different material from a material of the first structure 1, wherein a part... Hitachi Ltd

External force measurement system for work machine, and work machine

External force acting on a hydraulic excavator bucket is calculated precisely. An external force measurement system for a work machine includes a hydraulic cylinder for driving a front unit of the work machine and a plurality of strain gauges for sensing strain amounts of a cylinder rod of the hydraulic... Hitachi Ltd

Analysis device and analysis method

A first tank 102a and a second tank 102b that can contain a solution containing an electrolyte; a thin membrane 103 that has a nanopore 104 and separates the first tank and the second tank as a partition; a first electrode 105 provided in the first tank; a second electrode... Hitachi Ltd

Authentication system and authentication detecting breath alcohol

It is an object to prevent impersonation in breath measurement by using a portable device. After breath is introduced into a breath introduction inlet 11 of a breath introduction device 1, a first image group is acquired by continuously capturing images over a predetermined period, and after drinking determination based... Hitachi Ltd

Monitoring apparatus, monitoring method, and non-transitory recording medium

A monitoring apparatus is coupled to a sensor configured to observe a behavior of a monitoring target, and is accessible a storage device being configured to store: a database stored a phenomenon data group; stability information; and operation history information. The monitoring apparatus is configured to: calculate a stability of... Hitachi Ltd

Distributed storage system and control distributed storage system

Regarding a distributed storage system including a plurality of nodes, a first node among the plurality of nodes judges whether the same data as first data, which is written to a first virtual partial area managed by the first node from among a plurality of virtual partial areas, exists in... Hitachi Ltd

Software update system and server

A telematics center includes an update software distribution unit that distributes update software for updating software of an ECU to a software updating device. The software updating device includes a storage device that stores update software distributed from the telematics center and stores update information regarding influence on the operation... Hitachi Ltd

Computer system and database management method

A computer system according to the present invention has a plurality of processor cores that execute a plurality of threads in a parallel manner. When one of the threads updates a database (DB) region that is among a plurality of database regions associated with a database (DB), and that cannot... Hitachi Ltd

Abnormality detection system and abnormality detection method

An abnormality detection system is configured to (a) convert, based on a prescribed rule, a time-sequential event included in a log output by a monitoring target system into a symbolized event; (b) learn, based on a normal-time log symbolized in (a), a symbolized event sequence, which appears in a same... Hitachi Ltd

Signal line noise resistance evaluating method and its device

The present disclosure generally relates to a signal transmission path evaluation device and method for evaluating EMC resistance of a signal transmission path using a computer system. An operating device of the computer system is input with signal transmission line shape data, signal transmission line path data, signal transmission line... Hitachi Ltd

Particle beam therapy updating particle beam therapy system

A system update method for a particle beam therapy system, includes: a step of providing a new beam transport system in such a manner as to be branched off from an existing beam transport system of the particle beam therapy system; and a step of providing new installation connected to... Hitachi Ltd

Scanning microscope

A scanning microscope includes: a charged particle beam source configured to output a charged particle beam to be emitted to a sample; a detector configured to detect charged particles from the sample; and a controller configured to control the charged particle beam source and the detector, wherein the controller changes... Hitachi Ltd

Storage device

A storage device according to an aspect of the present invention comprises a plurality of memory devices and a storage controller. The memory devices provide the storage controller with a storage space which comprises a plurality of sectors, each said sector including a write data memory region and an inspection... Hitachi Ltd

Storage system

A storage system includes first storage devices to provide storage areas of a first tier and for which a life usage rate is determined based on an erase count and a guaranteed maximum erase count, second storage devices to provide storage areas of a second tier and for which a... Hitachi Ltd

Server storage system management system and management method

A server storage system comprises a plurality of server resources and a plurality of storage resources. A management system stores allocation control information. The allocation control information represents correspondences among resource types and resource quantities of exclusively allocated server resources and storage resources, resource types and resource quantities of commonly... Hitachi Ltd

Non-volatile memory device

A write frequency of a non-volatile memory is determined at a fine granularity while suppressing consumption of the volatile memory. When it is determined that a copy of specified data from a specified physical storage area to another physical storage area is to be executed, a controller reads the specified... Hitachi Ltd

Storage system

A storage system monitors the first access frequency of occurrence which is the access frequency of occurrence from a host device during a first period, and the second access frequency of occurrence which is the access frequency of occurrence from a host device during a second period shorter than the... Hitachi Ltd

Analysis apparatus, analysis method, and recording medium

An analysis apparatus comprises a processor configured to execute a program; and a storage device configured to store the program and a document group having a spreadsheet format, the processor being configured to execute: acquisition processing for acquiring the document group from the storage device; classification processing for classifying documents... Hitachi Ltd

Computer system and data processing method

This computer system includes a plurality of nodes for forming a distributed KVS. The plurality of nodes have a plurality of key ranges to which upper-limit data amounts are set, each upper-limit data amounts being an upper limit of an amount of manageable data. When a new key range is... Hitachi Ltd

Sensor data search system, sensor data search method and management computer

In the sensor data retrieval system, a gateway connected to a plurality of sensor devices collects sensor data including measurement values and time stamps and stores them in a temporary storage part, and the management computer collects sensor data and stores sensor data in the first storage part, the management... Hitachi Ltd

Computer and response generation method

A response generation apparatus ensures accurate output. A computer stores graph knowledge including a response generation module generating a response to an input document including a plurality of sentences, the graph knowledge database includes graph data that manages a structure of each type of graph knowledge, and the response generation... Hitachi Ltd

Stationary induction electrical apparatus

To provide a safe stationary induction electrical apparatus that prevents a fragment coming off a magnetic shield, wound around an iron core leg portion of the stationary induction electrical apparatus, due to vibrations from being released in a tank accommodating the stationary induction electrical apparatus and thus prevents a trouble... Hitachi Ltd

03/08/18 / #20180069165

Method of manufacturing magnesium diboride superconducting thin film wire and magnesium diboride superconducting thin film wire

A method of manufacturing an MgB2 thin film wire having an optimum average grain size is done by providing an optimum average grain size range to increase a pinning force and improve Jc with respect to the MgB2 thin film wire. In this method, the MgB2 thin film wire is... Hitachi Ltd

03/01/18 / #20180057853

Antimicrobial susceptibility testing device, antimicrobial susceptibility testing kit, and antimicrobial susceptibility testing method

Provided is a antimicrobial susceptibility testing device, including: an ATP examination culture plate that includes a reaction vessel, a reagent holding parts for holding reagents to be supplied to the reaction vessel, and a culture solution holding part for holding a culture solution to be supplied to the reaction vessel,... Hitachi Ltd

03/01/18 / #20180058426

Wind farm or control wind farm

The purpose is to provide a wind farm that is capable of increasing power generation output or a control method of a wind farm. In order to solve the problems, a wind farm according to the present invention includes plural wind power generation apparatuses each of which has: blades; a... Hitachi Ltd

03/01/18 / #20180059198

Magnetic resonance imaging apparatus and quantitative magnetic susceptibility mapping method

Provided is a technique in calculating a magnetic susceptibility distribution by using an MRI, for reducing artifacts and noise and improving precision in the magnetic susceptibility distribution being calculated. According to this technique, a magnetic field distribution is obtained via a phase image from a complex image acquired through MRI.... Hitachi Ltd

03/01/18 / #20180059202

Magnetic resonance measuring apparatus and image processing method

Provided is a magnetic resonance measuring apparatus that records measurement data measured by MRS or the like and a periodic motion of the measurement object during the measurement of the measurement data in association with each other, and classifies spectra calculated from the measurement data in accordance with a time... Hitachi Ltd

03/01/18 / #20180059263

Radiation detector and radiation detection device using the same

The radiation detector includes: a radiation sensible layer formed of silicon carbide and configured to generate an electron hole pair due to radiation entering it; a first semiconductor region in contact with a first principal surface of the radiation sensible layer and exhibiting a first impurity concentration at least in... Hitachi Ltd

03/01/18 / #20180059656

Machine diagnostic device and machine diagnostic method

The purpose of the present invention is to provide a machine diagnostic device that assists with sensor attachment such that malfunction sensing performance may be maintained even after maintenance of a device. The machine diagnostic device includes a sensor data acquisition part that acquires time-series sensor data that are measured... Hitachi Ltd

03/01/18 / #20180059659

Delivery system and delivery method

To provide a delivery system by which an unmanned aerial vehicle can be safely landed at a landing site, and the unmanned aerial vehicle can be landed at the desired site with high accuracy, a delivery system, comprising: an unmanned aerial vehicle that delivers a package to a delivery destination;... Hitachi Ltd

03/01/18 / #20180059946

Storage management computer and management storage apparatus

A management computer stores, in a memory, configuration information which indicates, by mapping, a virtual volume recognized by a host computer and a logical volume provided by a storage apparatus, and backup history information which manages a data backup history on a per virtual volume basis. Upon receiving a data... Hitachi Ltd

03/01/18 / #20180060356

Image search device and searching image

An image search device searching an image from an image database storing a recorded image, one or more types of feature values, and propagation information that indicates a link between a same type of the feature values of the recorded image, the device acquires a first image and the one... Hitachi Ltd

03/01/18 / #20180060448

Computer and creating graph data

Disclosed is a computer configured to create graph data having a vertex corresponding to a single index, an edge that links a pair of the vertices having a correlation, and an edge weight as a value of the element from the correlation matrix data having correlation values between a plurality... Hitachi Ltd

03/01/18 / #20180060456

Simulation including multiple simulators

In some examples, one or more computing devices on a network may receive, from a client computing device, one or more inputs for configuring a simulation, the simulation including at least a first simulator and a second simulator. The one or more computing devices may allocate computing resources including at... Hitachi Ltd

03/01/18 / #20180060492

Managing patient devices based on sensor data

In some examples, a computing device may receive sensor data associated with a plurality of patient devices that are associated with a plurality of patients. The computing device may further receive caregiver records corresponding at least partially to the sensor data. At least two groups of indicators may be determined... Hitachi Ltd

03/01/18 / #20180060513

Controlling devices based on hierarchical data

In some examples, a computing device may receive hierarchical data having a hierarchical structure including a plurality of levels. The computing device may determine a plurality of features based at least in part on the hierarchical data, and may select a subset of the features at a first level as... Hitachi Ltd

03/01/18 / #20180060799

System, method and server distribution of service requests associated with maintenance services required for maintenance of industrial assets

The present invention relates to systems, methods and server apparatuses for distribution of service requests associated with maintenance services required for maintenance of industrial assets. The invention may relate to a procedure that executes, when receiving a registration request message associated with a service provider not yet indicated in the... Hitachi Ltd

03/01/18 / #20180061097

Image generation apparatus, image generation method, and x-ray ct apparatus

The purpose of the present invention is to reduce statistical errors in material decomposition images. In order to achieve this purpose, the present invention is characterized by having: a scatter plot generation unit (414) that generates a scatter plot in which the axes represent the concentrations of base materials used... Hitachi Ltd

03/01/18 / #20180061498

Flash memory device

A flash memory controller is configured to hold a read pattern defining an order of selection of read options specifying a parameter value for a read from the flash memory chip. The flash memory controller is configured to execute error correction on data read from the flash memory chip in... Hitachi Ltd

03/01/18 / #20180062382

Switch operating characteristic monitoring device, switch equipped with same, and switch operating characteristic monitoring method

A symptom of malfunction regarding operating characteristics of a switch should be detected exactly. A switch operating characteristic monitoring device is comprised of a current sensor that measures a close command current of a switch, an auxiliary switch that outputs signals from at least two or more auxiliary contacts with... Hitachi Ltd

03/01/18 / #20180062954

Telegram analysis apparatus and telegram analysis method

Issuing sources of telegrams are identified on the basis of the relevance between the telegrams transmitted and received between servers. A telegram analysis method for a telegram analysis apparatus for associating telegrams with each other, which are transmitted and received between a plurality of servers connected via a network apparatus,... Hitachi Ltd

03/01/18 / #20180063805

Time synchronization system

A time synchronization system includes: a position information acquisition unit configured to acquire installation position information related to an installation position of a time synchronization target whose time is synchronized; a time synchronization signal acquisition unit configured to receive a positioning signal transmitted from a positioning satellite as a time... Hitachi Ltd

02/22/18 / #20180049707

Radiation imaging apparatus, radiation counting apparatus, and radiation imaging method

To improve performance in Photon Counting CT, pixel miniaturization, a reduction in circuit dead time, and dealing with scattered radiation and charge sharing are important. In addition, because the number of circuits increases, a reduction in power consumption of each circuit is important. Under these constraints, circuitry that deals with... Hitachi Ltd

02/22/18 / #20180049722

Ultrasonic diagnosis system

Provided is an ultrasonic diagnosis system in which a front-end (FE) device and a back-end (BE) device are set to a docking state, i.e., a wired connection state. While in this state, wired communication is used prior to wireless communication to exchange (pairing) key information (encryption keys, link keys) for... Hitachi Ltd

02/22/18 / #20180052011

Cv conversion amplifier and capacitive sensor

A CV conversion amplifier is provided that can secure a sufficient capacitance-to-voltage conversion gain and a sufficient amplitude range of an output voltage with a small consumption current. A capacitive sensor using the CV conversion amplifier is provided with low electric power, low noise, and a wide tolerance of input... Hitachi Ltd

02/22/18 / #20180052430

Operation automation apparatus and method, and storage medium

Proposed are a system operation apparatus and method, as well as a storage medium, capable of operating systems in a highly reliable manner. When a combination of components having a substantial influential relationship exists in a service template, one or more property setting rules which prescribe a value to be... Hitachi Ltd

02/22/18 / #20180052614

Storage apparatus

A storage apparatus according to one aspect of the present invention includes one or more storage devices and a storage controller. The storage controller separates an area of the storage device into an overwrite storage area and an append write storage area and manages the areas, and moves data between... Hitachi Ltd

02/22/18 / #20180052632

Storage system and storage control method

This storage system includes a processor, a memory, a storage drive, and an interface device. The storage drive determines a size of transfer data based on an offset value which is a value relating to a size between the beginning of a storage area in the memory for the transfer... Hitachi Ltd

02/22/18 / #20180052715

Computer system including server storage system

A server storage system has a plurality of logical partitions obtained by logically dividing at least part of a plurality of resources including a plurality of types of resource. The plurality of resources include a plurality of server resources including a plurality of types of server resource provided in a... Hitachi Ltd

02/22/18 / #20180052729

Management computer and computer system management method

Provided is a management computer that has a processor, an input device, an output device, and a storage device, and manages a plurality of computer systems. This management computer is provided with a countermeasure procedure plan generation module that generates a countermeasure procedure plan for changing the state of parts... Hitachi Ltd

02/22/18 / #20180052730

Storage system and control method therefor

This storage system has a plurality of modules that encode data being written to a storage medium and decode data being read from said storage medium. The storage system also has an adapter that controls the reading and writing of data from and to the storage medium such that, when... Hitachi Ltd

02/22/18 / #20180052772

Storage system and storage control method

The storage system includes a first partition which is associated with a first processor and in which the first processor temporarily stores data relating to I/O requests processed by the first processor; and a second partition which is associated with a second processor and in which the second processor temporarily... Hitachi Ltd

Patent Packs
02/22/18 / #20180052862

Log collection system and log collection method

Proposed are an operation log collection system and an operation log collection method capable of reliably collecting required operation logs while protecting personal information. An operation log collection server determines a combination of a predetermined number of high-ranking business-related elements which are most frequently used during operation of the business... Hitachi Ltd

02/22/18 / #20180052948

Analysis mesh manufacturing equipment and method

A mesh is manufactured in consideration of the differences between the specification of the mesh to be manufactured for each portion to be analyzed, the difficulty in defining the mesh specification, and the response to the change in the mesh specification. Analysis mesh manufacturing equipment has first means for registering,... Hitachi Ltd

02/22/18 / #20180052963

Ultrasound diagnostic device and ultrasound image display method

In the present invention, an ultrasound image is displayed within the display area of a touch panel monitor. Upon receipt of a display instruction, a virtual keyboard is displayed in the display area. The virtual keyboard is displayed on a screen in front of the ultrasound image, there being partial... Hitachi Ltd

02/22/18 / #20180053262

Resource accommodation device, schedule management device, and resource accommodation system

A resource accommodation device includes: a resource registration receiving unit that stores a resource registration request including a type of an available resource and an available date and time in a schedule storage unit of a predetermined resource upon receiving the resource registration request; and a resource candidate presentation unit... Hitachi Ltd

02/22/18 / #20180054058

Power system stabilization system

A system stabilization system (101) is provided with: at least one of a power flow state database (DB2) and a system configuration database (DB3); a device state database (DB1) in which the device states of a stabilizing device are recorded; a stabilizing effect index calculation function (204) for indexing the... Hitachi Ltd

02/22/18 / #20180054059

System stabilization control device and power system control system

A system stabilization control device controls a control instrument within a power system on the basis of measurement information from a plurality of measurement points within the power system. The system stabilization control device includes an equipment information database storing information of system equipment interconnected with the power system; a... Hitachi Ltd

02/15/18 / #20180042579

Ultrasonic diagnosis system

Provided is an ultrasonic diagnosis system in which an ultrasonic diagnosis device is configured from a front-end (FE) device and a back-end (BE) device. The BE device is provided with two sensor pairs. Each sensor pair is configured from a light sensor and an object detection sensor. A control unit... Hitachi Ltd

02/15/18 / #20180043531

Control device, control method, and non-transitory recording medium

A control device controls a subject to be controlled that obtains a certain state by an action, and is configured to conduct: an obtaining process to obtain the state and the action of the subject to be controlled from the subject to be controlled; a generating process to generate a... Hitachi Ltd

02/15/18 / #20180045798

Medical image imaging device for positioning an imaging slice

A technique in a medical imaging apparatus being capable of setting any plane in three-dimensional space as an imaging slice is provided, allowing an automatically-set imaging slice to be configured to suit user's preferences, and determine a position of the imaging slice being configured, with respect to an imaging target... Hitachi Ltd

02/15/18 / #20180046404

Computer system and storage control method

A storage system manages control information, which is information related to responses corresponding to prescribed types of commands, for each of a plurality of logical units associated with a logical device, said logical units being provided to one or more host systems. The prescribed types of commands indicating the logical... Hitachi Ltd

02/15/18 / #20180046509

Management system for computer system

A management system includes an interface device coupled to a computer system including a plurality of resources including resources of a plurality of resource types and a processor coupled to the interface device. The processor allocates, to a tenant environment, a resource of a resource type, which is different depending... Hitachi Ltd

02/15/18 / #20180046620

Management system for managing information system

A management system displays two or more columns lined up in accordance with a sequence order of a selected display rule. Each display rule is a customized rule, and includes a first type, one or more second types, and a sequence order of display for two or more columns respectively... Hitachi Ltd

02/15/18 / #20180046664

Shared resource update apparatus and shared resource update method

A shared resource update apparatus includes: a processor unit including at least one processor having a plurality of processor cores that respectively execute a plurality of threads; and a storage unit storing a program that executes conflict avoidance control by being executed by the processor unit. A shared resource for... Hitachi Ltd

02/15/18 / #20180046671

Computer scale-out method, computer system, and storage medium

A computer scale-out method by adding a second computer to a first computer receiving stream data from a data source and executing a query to make the second computer execute the query, the computer scale-out method including: receiving, by a management computer, a request to scale out; a second step... Hitachi Ltd

02/15/18 / #20180046686

Management device and management method

A management device managing a storage device having a plurality of logical storage areas accessed by a computer has a monitor module for determining whether a setting is made by which the computer uniformly accesses the plurality of logical storage areas, obtaining respective access counts of the plurality of logical... Hitachi Ltd

Patent Packs
02/15/18 / #20180046927

Data analysis device and analysis method

A data analysis device that analyzes data having a record including an objective variable and a plurality of explanatory variables includes a node generating unit that generates a node specified by a condition of the explanatory variable on the basis of the objective variable and the explanatory variable of the... Hitachi Ltd

02/15/18 / #20180047855

Power semiconductor element and power semiconductor module using same

In a Schottky barrier diode comprising silicon carbide: an active region includes a first semiconductor region of a first conductivity type configuring a first Schottky junction having a plurality of linear patterns between a first electrode and the first semiconductor region and a second semiconductor region of a second conductivity... Hitachi Ltd

02/15/18 / #20180048467

Key generator, computer system, and encryption statistical processing method

When data analysis is made in a server to which data is entrusted according to the technique disclosed in JP 5679018, individual cipher text is required to be decrypted in the server. That is, when basic statistics are computed in the server, a problem occurs that plain text of individual... Hitachi Ltd

02/08/18 / #20180035974

Ultrasonic-wave probe, ultrasonic-wave diagnosis apparatus, and test ultrasonic-wave probe

A test for screening defects of a transmission/reception circuit in an IC is enabled at low cost, without withstand voltage violation, and without carrying out electrical contacts with many terminals connected to oscillators. In a transmission/reception separation switch circuit using transistors as switch elements, a potential of a gate is... Hitachi Ltd

02/08/18 / #20180035980

Ultrasonic diagnostic device

A speed evaluation unit in the present invention specifies measurement values that satisfy rejection conditions from among a plurality of measurement values. A propagation velocity Vs for which the sign is minus (reverse direction) is set as a subject to be rejected under condition 1. The propagation velocity Vs which... Hitachi Ltd

02/08/18 / #20180039423

Storage system and storage control method

This storage system is designed to: divide data into a plurality of chunk data (pieces of data) in a deduplication process; select one or more chunk data from among the plurality of chunk data in accordance with a sampling period which indicates that, on average, one chunk data be selected... Hitachi Ltd

02/08/18 / #20180039444

Storage system and data control method

A storage system and data control method capable of extending the service lifes of storage devices of the same type and with different properties and reducing operation management cost are proposed. The storage system includes: a first storage device; a second storage device with a smaller upper limit number of... Hitachi Ltd

02/08/18 / #20180039633

Information processing system and information processing method

An information processing system includes a storing unit that stores evaluation data in which a plurality of subjects are associated with a plurality of evaluation expressions respectively and evaluation expression relationship data indicating relationships between the evaluation expressions, a question generating unit that generates and outputs questions on the basis... Hitachi Ltd

02/08/18 / #20180040409


A transformer of the invention includes a core which includes a main leg, a side leg, and a yoke, and a winding wire (5) which is wound around the main leg of the core, inside a tank (40) which is filled with an insulating medium, the main leg of the... Hitachi Ltd

02/08/18 / #20180040805

Ultrasonic transducer unit

A resonance layer (30) and an acoustic separation layer (34) are arranged adjacent to each other between a piezoelectric element (24) and a circuit board (16) provided with an electronic circuit for driving the piezoelectric element. The acoustic impedance of the resonance layer (30) is higher than that of the... Hitachi Ltd

02/08/18 / #20180041600

Distributed processing system, task processing method, and storage medium

The present invention relates to a distributed processing system having a master node and a plurality of worker nodes. Each worker node has an assigned identifier. A worker node caches in its own memory first output data, which is the result of the execution of a first task, and copies... Hitachi Ltd

02/01/18 / #20180032837

Object detection method and image search system

It is provided an object detection method to be performed by an image analysis device configured with a computer including a processor and a memory, the object detection method comprising: a first step of receiving, by the processor, input of an image and storing the image to the memory; a... Hitachi Ltd

02/01/18 / #20180028151

Probe holder

A probe holder (38) that has: a housing part (40) that houses one part of a probe head (34) of an ultrasonic probe; and a belt (42) that, along with the housing part, binds the probe head from the outside. As a result of the belt (42) being fastened and... Hitachi Ltd

02/01/18 / #20180028157

Ultrasonic image pickup device and image processing device

Alignment of an ultrasonograph and volume data obtained beforehand is correctly performed without requiring a user to perform complicated operation. First volume data for an ultrasonograph and second volume data obtained by another imaging apparatus are received and aligned. A predetermined imaging part selected from a plurality of imaging parts... Hitachi Ltd

02/01/18 / #20180028273

Magnetic resonance imaging apparatus and quantitative-value computing program

There is provided an MRI apparatus in which, when a quantitative value, which does not depend on imaging parameter values, is computed from a plurality of image data having different pixel values that are acquired by performing imaging the plurality of times with different imaging parameter values in the same... Hitachi Ltd

02/01/18 / #20180028935

Solid-liquid separation device

A solid-liquid separation device performs dehydration/deoiling from a mixture of water and/or oil and a solid. Substance A is capable of dissolving water and oil. The device includes substance B circulated while generating phase change in a closed system; a compressor; a first heat exchanger exchanging condensation heat of substance... Hitachi Ltd

02/01/18 / #20180029606

Electromagnetic noise analyzing apparatus, controlling apparatus and controlling method

Provided is an electromagnetic noise analyzing apparatus, a controlling apparatus, and a controlling method in each of which the continuous change of the running state of a vehicle or a railway vehicle is considered. The controlling apparatus includes: a vehicle running control section which outputs, on the basis of operation... Hitachi Ltd

02/01/18 / #20180031650

Magnetic field adjusting method

In the present invention, a current plane which is virtually disposed and surrounds a measurement position is assumed from magnetic field measurement values, and a current distribution (or magnetic moment distribution) which mimics a measured magnetic field is reproduced with current potentials. This is used to perform shimming calculation by... Hitachi Ltd

02/01/18 / #20180032079

Autonomous operation verification device and autonomous system

A mechanism having an autonomous operation verification device having a function of determining satisfiability of expected operation and safety requirement under a predetermined operation-time precondition and determining occurrence possibility of hazard violating the safety requirement in a predictive manner and achieving operation safety of an autonomous system operating in an... Hitachi Ltd

02/01/18 / #20180032254

Computer system and management computer

A configuration aimed at reducing loads on storage apparatuses at a restoration site is provided in an environment where there are differences in the performance and capacity of the storage apparatuses between a primary site and the restoration site. Second volumes which form a remote copy with first volumes provided... Hitachi Ltd

02/01/18 / #20180032255

Computer and optimization method

A computer has processors each including computation cores; memories, and an IO device, and includes NUMA nodes. The computer holds pattern management information to manage patterns and comprises a control module to determine a pattern to be applied to the computer. The pattern management information includes policy information including a... Hitachi Ltd

02/01/18 / #20180032331

Method and system for determining safety compliance level of a software product

Disclosed herein is a method and system for determining safety compliance level of a software product. Safety requirements to be complied by the software product are extracted from safety standards. The extracted safety requirements are mapped with corresponding software product artifacts associated with the software product. Compliance of each of... Hitachi Ltd

02/01/18 / #20180032388

Management system for managing computer system

As a type of an event that occurs in a computer system, an event type for which display of performance data is to be requested in the future is defined in advance. A management system, upon detection of occurrence of an event that belongs to the event type for which... Hitachi Ltd

02/01/18 / #20180032433

Storage system and data writing control method

A storage system receives a write request which specifies a logical volume address associated with a RAID group, and makes a first determination whether write target data in accordance with the write request exists in a cache memory. When the first determination result is negative, the storage system makes a... Hitachi Ltd

02/01/18 / #20180032459

Storage system and storage apparatus

A storage system has a management server computer and a storage apparatus. The storage apparatus has a management processor connected to a management server computer via a first network, and a plurality of I/O processors that are connected to the management processor via a second network, that are connected to... Hitachi Ltd

02/01/18 / #20180032695

Method and a system for determining plausibility of a clinical care plan

The present disclosure relates to the field of clinical care plan for patients. More particularly, the present disclosure relates to a method and system for determining plausibility of clinical care plan. The present disclosure checks for plausibility of the clinical care plan determining plausibility of each clinical action in the... Hitachi Ltd

02/01/18 / #20180032837

Object detection method and image search system

It is provided an object detection method to be performed by an image analysis device configured with a computer including a processor and a memory, the object detection method comprising: a first step of receiving, by the processor, input of an image and storing the image to the memory; a... Hitachi Ltd

02/01/18 / #20180032910

Data analysis device, data analysis method, and data analysis program

A data analysis apparatus executes: acquiring a group of learning input data; setting a plurality of first hash functions; substituting each learning input data in each of the plurality of first hash functions to thereby calculate a plurality of first hash values; selecting, for the group of learning input data... Hitachi Ltd

02/01/18 / #20180033130

Action instruction apparatus

Provided is a technology for recovery from an abnormality of an action of a worker. An action instruction apparatus includes: a standard operating procedure storing unit configured to store, for each operation step, output information from a predetermined sensor relating to a standard action of a worker; an operation step... Hitachi Ltd

02/01/18 / #20180033469

Memory device

A memory device according to an embodiment of the present invention includes: a memory chip using a magnetic memory; and a memory controller that controls read/write to the memory chip. When the memory controller receives a read request from outside the memory controller, the memory controller transmits a read command... Hitachi Ltd

Social Network Patent Pack
02/01/18 / #20180033587

Charged particle beam apparatus

A charged particle beam apparatus includes a charged particle source, a separator, a charged particle beam irradiation switch, and a control device. The separator is inserted into a charged particle optical system and deflects a traveling direction of a charged particle beam out of an optical axis of the charged... Hitachi Ltd

02/01/18 / #20180034337

Rotary electric machine

The present disclosure generally relates to a rotary electric machine having a stator winding in which bobbins forming a coil are arranged in a circumferential direction. The bobbin includes plate-like flanges on an inner and outer circumferential side. Each flange has edges corresponding to a circumferential and an axial direction.... Hitachi Ltd

02/01/18 / #20180034394

Wind power generating system

There is provided a wind power generating system including: a rotor that is provided with a blade of which a pitch angle is changeable and that rotates by receiving the wind; a generator that generates power by using rotation energy of the rotor; and a control device that controls a... Hitachi Ltd

02/01/18 / #20180034402

Control device for power conversion device, compressor drive system, flywheel power generating system, and control power conversion device

There are provided a voltage command calculator that calculates a voltage command value that is a command value of an AC voltage to be applied to a rotary electric machine that is driven by a power conversion device, a carrier wave generator that generates a carrier wave, a comparator that... Hitachi Ltd

02/01/18 / #20180034708

Storage operational management service providing apparatus, storage operational management service providing method, and storage operational management system

The difference in operational management service among a plurality of storage apparatuses is detected by an apparatus that provides at least one operational management service to the storage apparatuses of a plurality of user sites via a communication network. The apparatus classifies the storage apparatuses of the plurality of user... Hitachi Ltd

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