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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  Joint for superconducting wire

The problem is to attain a joint for multi-core superconducting wires having a high critical current property. The joint for superconducting wires of the present invention has a first sintered body containing MgB2 configured to fix a plurality of superconducting wires, and a second sintered body containing MgB2 configured to... Hitachi Ltd

 new patent  Ultrasound probe and the ultrasound diagnostic device using same

An ultrasound probe is provided which maintains sufficient adhesion strength of the layers that configure the ultrasound probe and which matches the acoustic impedance of a piezoelectric element to that of the organism; also provided is an ultrasound diagnostic device provided with said ultrasound probe. This ultrasound probe (100a) is... Hitachi Ltd

 new patent  Radiotherapy device control apparatus and control method

A radiotherapy device control apparatus instructs a radiotherapy device to execute instruction information based on a treatment regimen determined in advance, controls the operations of an irradiation-related instrument provided in the radiotherapy device on the basis of irradiation conditions included in the instruction information, determines whether irradiation is permitted on... Hitachi Ltd

 new patent  Resin composition, coating material, electronic component, molded transformer, motor coil and cable

A resin produced by a conventional technique has a weak nature in terms of hydrolysis resistance. For example, in a case where the resin produced by a conventional technique is used in an area with a highly humid climate such as Japan for a long period of time, deterioration of... Hitachi Ltd

 new patent  Acceleration sensor

The acceleration sensor is an MEMS capacitive acceleration sensor and has capacitive elements for signal detection and capacitive elements for servo control different from the capacitive elements for the signal detection. A voltage to generate force in a direction reverse to a detection signal of acceleration by the capacitive elements... Hitachi Ltd

 new patent  Fault point locating device and method, electric power system monitoring system, and facility planning support system

A fault point locating device which estimates a fault point in an electric power system, is provided with: a variation range calculating means which obtains a range of variation of sensor values and a range of variation of an impedance of the electric power system, on the basis of the... Hitachi Ltd

 new patent  Magnetic resonance imaging setting rf shimming parameters

In order to improve B1 non-homogeneity while reducing a local SAR in an object, particularly, in a human tissue during MR imaging, the present invention is characterized in that each of a plurality of irradiation channels is controlled on the basis of RF shimming parameters corresponding to the plurality of... Hitachi Ltd

 new patent  Machine diagnostic apparatus and machine diagnostic method

An operation mode specifying unit specifies an operation mode of a machine by comparing time-series data of an amplitude and a frequency of measurement data obtained from a sensor with definition data of the operation mode of the machine created in advance by an operation mode data creation unit. In... Hitachi Ltd

 new patent  Storage unit

A storage unit according to one aspect of the present invention comprises a storage controller and a plurality of storage devices. Each storage device has nonvolatile semiconductor memories serving as storage media. The controller of each storage device diagnoses the state of degradation of the nonvolatile semiconductor memories, and if... Hitachi Ltd

 new patent  Management computer and resource management method

The management computer has a memory which stores management information and management programs, and a CPU which refers to the management information and executes the management programs; the management information includes storage management information for allowing determination as to whether the plurality of storage resources can be paired in a... Hitachi Ltd

 new patent  Storage device

A storage device according to an embodiment of the present invention has a plurality of storage nodes, each of which has a plurality of logical ports having send and receive queues for a communication request and an identification number, and an internal network for connecting the plurality of storage nodes... Hitachi Ltd

 new patent  Distributed storage system

A first node group including at least three nodes is predefined in a distributed storage system. Each node of the first node group is configured to send data blocks stored in storage devices managed by the node to other nodes belonging to the first node group. A first node is... Hitachi Ltd

 new patent  Information processing apparatus

An information processing device having a processor and memory, and including one or more accelerators and one or more storage devices, wherein: the information processing device has one network for connecting the processor, the accelerators, and the storage devices; the storage devices have an initialization interface for accepting an initialization... Hitachi Ltd

 new patent  Management system, and management method

In the present invention, a management system has a storage device and a processor. The storage device holds an information processing program for controlling information pertaining to a storage system by utilizing a database. The processor executes an update program that updates the information processing program and the database utilized... Hitachi Ltd

 new patent  Method and apparatus of non-volatile memory system having capability of key-value store database

A computer system is coupled to one or more servers which run one or more applications. The computer system comprises: a memory storing key data, value data associated with each of the key data, and application mask data, the application mask data indicating, for each of the value data, which... Hitachi Ltd

 new patent  Fuel measurement for fleet vehicles

In some examples, a processor on a vehicle may determine, based at least partially on information obtained from a sensor, that a fuel level of the vehicle is increasing. Further, the processor may determine that the fuel level has stabilized for a threshold time. In addition, the processor may determine... Hitachi Ltd

 new patent  Wind power generating equipment, operation method thereof, and wind farm

Wind power generating equipment includes: a generator that is driven by a blade which rotates by receiving the wind; a power converter that converts an electric output of the generator such that the output is interconnected with an electric power system; a power converter controller that controls the power converter;... Hitachi Ltd

 new patent  Method and unit for mapping information bits to polarization angles of a wave

The present disclosure discloses a method and a unit for mapping information bits to polarization angles of a wave for communication. The method comprises transmitting, by a polarization unit of a first communication device, a training signal to a second communication device, for each polarization angle, receiving a feedback signal... Hitachi Ltd

 new patent  Edge processing for data transmission

In some examples, a computing device may determine a prediction of a network outage of a network. The computing device may determine a priority of one or more data types expected to be received during the network outage. Further, the computing device may determine a latency category of the one... Hitachi Ltd

 new patent  File server apparatus

A file server apparatus includes a second file system volume including cache data of a first file system volume stored in a shared file storage apparatus. The file server apparatus determines the operation type indicated by an access request to the first file system volume from a client. When the... Hitachi Ltd

X-ray imaging device

Provided is an X-ray imaging device having a foldable arm unit for supporting an X-ray tube, and an operating unit for operating the X-ray tube, on a joint of arms constituting the arm unit. The operating unit is, for instance, a display unit serving also as the operating unit (display... Hitachi Ltd

Solid-liquid separation device

A solid-liquid separation device performs dehydration or deoiling from a treated object using a substance A that is a gas at normal temperature and pressure and is capable of dissolving water and oil when liquefied. The separation device includes a substance B that circulates while generating phase change in a... Hitachi Ltd

Operation monitoring server and operation monitoring system

An operation monitoring server includes a storage apparatus configured to store instructions, and a processor configured to operate based on the instructions. The processor is configured to acquire state information on at least one of a monitoring target device or a base location in which the monitoring target device is... Hitachi Ltd

Motor system and compressor equipped therewith

To provide a motor system that can control the position of a control object in multiple directions while suppressing the number of required switching elements. A motor system includes: a power conversion device including first, second, and third up-down arms each including two switching elements connected in series; a control... Hitachi Ltd

Solid-liquid separation system

To provide a solid-liquid separation system in which a stable operation can be continuously conducted and the introduction cost and the running cost can be suppressed, in cases where moisture or oil are separated from a substance containing moisture or oil by using changes in phase of a working fluid... Hitachi Ltd

Chemical sensor, and chemical substance detection

There is a provided a chemical sensor that includes a semiconductor substrate of a first conductivity type, a first electrode that is formed on a front surface of the semiconductor substrate, a second electrode that is disposed to face the first electrode in a vertical direction, a flow path in... Hitachi Ltd

Membrane device and manufacturing same

A method for producing a membrane device includes: forming an insulating film as a first film on a Si substrate; forming a Si film as a second film on the entire surface or a part of the first film; forming an insulating film as a third film on the second... Hitachi Ltd

Magnetic moment arrangement calculation magnetic field adjustment, magnetic field adjustment device and program

A magnetic moment arrangement calculation method for magnetic field adjustment by combining correction of a component of a low-order mode with correction of a component of a high-order mode among the eigenmodes so as to calculate arrangement of the magnetic moment for approximately correcting the error magnetic field distribution, in... Hitachi Ltd

Computer system

A problem to be solved by the present invention is, in a computer system, to reduce processing delay from wait times which occur in timer access. According to the present invention, using either a CPU core (hereinafter “processing core”) other than a CPU core which executes an application, or a... Hitachi Ltd

Management computer and computer system management method

The management computer stores a configuration information of a storage, a configuration information of a host computer and a VM, an information on a service level of the VM, and a performance information of a storage subsystem and a network. If an access path that the host computer uses to... Hitachi Ltd

Storage system

The storage system is capable of creating one or more virtual storage subsystems to which virtual resources having logically divided a processing capacity of the physical resources are allocated, and upon creating a virtual volume for receiving I/O requests from the host within the virtual storage subsystem, the virtual storage... Hitachi Ltd

Storage system and storage control method

A storage system manages correspondence relationships between physical addresses and logical addresses inside a storage device, as well as logical spaces provided by a plurality of storage devices, and when a determination is made as to whether first data and second data are stored in the same storage device in... Hitachi Ltd

Data generation method and computer system

A computer includes a data generation unit and a storage unit which retains graph information for managing a graph configured from a plurality of vertexes and sides. The data generation unit performs acquiring a plurality of data and graph information and assuring storage regions in number equal to the number... Hitachi Ltd

Circuit design system and circuit design method

A design efficiency is improved by enabling existing design resources to be utilized. A circuit design system includes a required specification input unit inputting required specification for designing a circuit, a computerized model conversion unit converting design information of an existing circuit into electronic data, a knowledge DB unit storing... Hitachi Ltd

Analysis system and analysis method

An analysis system, which includes a processor and a memory connected with the processor, further includes: a model applying unit that predicts at least one change among changes between the conditions of target persons in the case of an intervention not being followed and the conditions of the target persons... Hitachi Ltd

01/04/18 / #20180005338

Automatic parking management system and automatic parking management method

An operation method is proposed to retain parking man-hours and reducing a cost by means of an automatic parking management system using carriers to transport a vehicle. The automatic parking management system, managing parking of vehicles, includes: a simulator that simulates a status of vehicles from boarding and drop-off areas... Hitachi Ltd

01/04/18 / #20180005748

Transformer and power converter

An object is to improve a core and heat radiation properties from the coil, and to reduce the size of a transformer. In order to attain the object described above, a transformer includes a bobbin wound around with a coil, a columnar core center portion in which the bobbin is... Hitachi Ltd

01/04/18 / #20180005906

Device manufacturing manufacturing apparatus

The device manufacturing method includes a length measuring step (S5) of, on the basis of an observation target image of an SEM image taken from a direction having a predetermined angle from a direction perpendicular to a plane of a substrate, measuring the thickness of a target object, or the... Hitachi Ltd

01/04/18 / #20180006573

Electrical power conversion unit and electrical power conversion device

An electrical power conversion unit is provided with: a circuit connecting part which includes a positive electrode conductor, a negative electrode conductor, and an alternating current conductor; a power semiconductor module connected to a specific side of the circuit connecting part; a fin that extends to the opposite side of... Hitachi Ltd

01/04/18 / #20180006810

Information sharing system, computer, and information sharing method

It is provided an information sharing system, comprising a server, and an in-vehicle system. The server includes: a first storage part; a first key generation part configured to generate a first private key and a first public key, if keys can be exchanged with the in-vehicle system; and a signature... Hitachi Ltd

12/28/17 / #20170370886

Ultrasonic probe and ultrasonic diagnosis device provided with same

Provided is an ultrasonic probe having an adjustable slew rate, the ultrasonic probe having minimal dimensions and circuit sizes. The ultrasonic probe includes: a transducer; a transmitting circuit; a correcting unit; and a distributing unit. The transmitting circuit includes a transducer driving unit and a current source. The transducer driving... Hitachi Ltd

12/28/17 / #20170371395

Computer system and computer

A computer system, comprising a plurality of computers, each of the plurality of computers including at least one processor chip each including a plurality of processor cores, the at least one processor chip constructing a plurality of regions each constructed by at least one processor core, each of the plurality... Hitachi Ltd

12/28/17 / #20170371587

Computer system, and data migration method in computer system

In a computer system, when a first high availability (HA) pair is configured with a first logical device of a first storage apparatus and a second logical device of a second storage apparatus, the first logical device is virtualized on a third storage apparatus and is set to correspond with... Hitachi Ltd

12/28/17 / #20170372218

Quantum leakage

A method of reducing quantum leakage in a qubit device is disclosed. The method comprises receiving a set of energy level values for a multi-level system which includes first and second working levels... Hitachi Ltd

12/28/17 / #20170373599

Apparatus for controlling insulating gate-type semiconductor element, and power conversion apparatus using controlling insulating gate-type semiconductor element

An apparatus is adapted to drive an insulating gate-type semiconductor element by a first control voltage and a second control voltage, that are supplied to a first insulating gate and a second insulating gate, respectively, and includes a first noise filter inputting a signal about current that passes through the... Hitachi Ltd

12/28/17 / #20170373848

Method and cryptographic conversion in a data storage system

When data is encrypted and stored for a long time, encryption key(s) and/or algorithm(s) should be updated so as not to be compromised due to malicious attack. To that end, stored encrypted data is converted in the storage system with new set of cryptographic criteria. During this process, read and... Hitachi Ltd

12/21/17 / #20170360386

Mobile x-ray imaging device

Provided is a mobile X-ray imaging device having a foldable arm unit equipped with an X-ray tube unit, and a storage concave for storing the folded arm unit on the front side of a main body. An end of the arm unit fixed to the main body side is made... Hitachi Ltd

12/21/17 / #20170362082

Microstructure processing method and microstructure processing apparatus

First, an ion beam is applied to a workpiece to form a tapered hole the side wall of which is inclined. Next, the application of the ion beam is stopped, and then a material gas is introduced from the gas source to the upper surface of the workpiece from an... Hitachi Ltd

12/21/17 / #20170363013

Gas turbine power generation system, control gas turbine power generation system, and control device for gas turbine power generation system

The gas turbine power generation system of the present invention repeats either the supply or absorption of power, in addition to generating power. The gas turbine power generation system is provided with a first rotation shaft, a compressor, a combustor, a first turbine upon which combustion gasses impinge, thereby causing... Hitachi Ltd

12/21/17 / #20170363315

Heat source system operation management apparatus, heat source system operation management method and computer program

An operation management apparatus includes: a refrigerant return temperature prediction unit that predicts a temperature Tr of a refrigerant returning from an air conditioner to a heat source system; a heat storage capacity estimation unit that estimates a heat storage capacity of the heat source system, based on the predicted... Hitachi Ltd

12/21/17 / #20170364432

Software inspection apparatus

While the effectiveness of a model inspection method as a means for detecting software defects is known, large-scale software cannot be handled due to great amounts of calculation required for inspection. According to the present invention, after a model inspection problem of software is attributed to be a satisfiability determination... Hitachi Ltd

12/21/17 / #20170364610

Semiconductor lsi design device and design method

Provided is a technology capable of reducing the number of resources necessary for logic implementation in a control device. A semiconductor LSI design device generates a combinational circuit configured with functional blocks defined by a functional block library from an application specification, allocates an operation order of each functional block... Hitachi Ltd

12/21/17 / #20170364778

Information recording medium, information recording method, and information reproduction method

It is an object of the present invention to improve visibility for observation with naked eyes or for camera shooting without spoiling the appearance during marking inside a. transparent medium using a laser. By irradiating an inside of a transparent medium with a laser, the present invention forms a micro-denatured... Hitachi Ltd

12/21/17 / #20170366436

Computer system and controlling computer system

A large-scale computer system including a plurality of nodes is controlled to improve its system performance without aggregating data in a single site. There is provided a computer system including a plurality of computers, wherein a processor: detects a trigger to calculate a control value for controlling a process to... Hitachi Ltd

12/14/17 / #20170358154

Anomality candidate information analysis apparatus and behavior prediction device

To provide an anomality candidate information analysis apparatus capable of early confirming that an unexpected anomality occurs in a monitoring object such as a vehicle. There is provided an anomality candidate information analysis apparatus for analyzing anomality candidate information of a vehicle that is a monitoring object. The anomality candidate... Hitachi Ltd

12/14/17 / #20170354343

Magnetic resonance imaging apparatus, static magnetic field homogeneity adjustment method, program, and computer

In order to provide a static magnetic field homogeneity adjustment method capable of reducing an arrangement amount of magnetic pieces and achieving desired magnetic field homogeneity with high accuracy in magnetic field homogeneity adjustment, there is provided a static magnetic field homogeneity adjustment method in an imaging space of computing... Hitachi Ltd

12/14/17 / #20170354930

Desalination apparatus

An object of the present invention is to provide a desalination apparatus in which a high pressure pump can be operated at a high efficient operation point even when temperature, salt concentration or the like of water to be treated vary. The desalination apparatus includes a high pressure pump which... Hitachi Ltd

12/14/17 / #20170355941

Culture vessel, measurement device, culture method, and culture device

The present invention provides a culture vessel and a measuring device for measuring a cell sheet thickness nondestructively during culturing. A culture vessel having a lid 4 has a float 8 installed in the interior and the float is structured so as to be uplifted by a culture medium in... Hitachi Ltd

12/14/17 / #20170357567

Application logic, and verification method and configuration method thereof

A verification method for an application logic provided with one or more macro logics configured to perform a predetermined operation, a macro operation control unit configured to instruct the one or more macro logics to start the operation to cause the one or more macro logics to perform the operation,... Hitachi Ltd

12/14/17 / #20170357589

Storage controlling cache

When one of a plurality of storage apparatuses receives an input/output (IO) request in which the address of a logical volume is designated, a cache destination storage device in which I/O data conforming to the received I/O request is to be cached is determined on the basis of a target... Hitachi Ltd

12/14/17 / #20170357925

Production plan making assistance apparatus and production plan making assistance method

A production plan making assistance apparatus for a product including a plurality of components, the production plan making assistance apparatus comprising: a storage unit; an input-output unit; and an operation unit; wherein the operation unit reads out the information stored in the storage unit and assigns a start date and... Hitachi Ltd

12/14/17 / #20170359014

Control device of power converter, power conversion system, compressor driving system, flywheel power generation system, and control power converter

A control device of a power converter controls a system including a converter that converts alternating current (AC) power of a power supply into direct current (DC) power, an inverter that converts the DC power into AC power, a capacitor that is charged with and discharges the DC power, and... Hitachi Ltd

12/14/17 / #20170359131

Wireless communication terminal, wireless communication system, and communication control method

To stabilize data communication with a small delay while keeping communication cost low, it is provided a wireless communication terminal, which is capable of coupling to a plurality of wireless communication systems, comprising: a transmission buffer configured to store data to be transmitted; a determination module configured to determine communication... Hitachi Ltd

12/14/17 / #20170359221

Method and management system for calculating billing amount in relation to data volume reduction function

A logical volume (VOL) is provided from a storage system to a host system of a service user. A data volume reduction process is applied to data stored in the VOL. A management system determines whether at least one of a provided total capacity (provided to the service users) and... Hitachi Ltd

12/07/17 / #20170347974

X-ray ct apparatus and scanning method

According to an X-ray CT apparatus and a scanning method of the present invention, in order to efficiently create an image used for diagnosis, an operator selects a desired part from a part selection GUI before main scanning by using an ROI object imitating a shape of each part, held... Hitachi Ltd

Patent Packs
12/07/17 / #20170347986

Arithmetic device, x-ray ct apparatus, and image reconstruction method

In order to provide an arithmetic device, an X-ray CT apparatus, and an image reconstruction method, capable of reducing processing time while maintaining a noise reduction effect, in a successive approximation image reconstruction method (separable paraboloidal surrogate (SPS) method) of the related art, updated images are forward-projected, whenever images are... Hitachi Ltd

12/07/17 / #20170349854

Lubricant for gas insulated switchgear, and gas insulated switchgear

Provided is a lubricant for a gas insulated switchgear, with which properties of a base oil such as heat resistance, evaporation loss, fluidity under a low temperature, and chemical stability (oxidation resistance and HF resistance) are balanced at a level higher than the conventional level, and long service life and... Hitachi Ltd

12/07/17 / #20170350807

Corrosion environment diagnosis system, corrosion prevention system, corrosion environment diagnosis method, and corrosion prevention method

The present invention is a corrosion environment diagnosis system including: an environment measuring device that includes a temperature sensor that measures temperature in an electronic part serving as a diagnosis target or an indoor space in which an electronic device including the electronic part is installed, a humidity sensor that... Hitachi Ltd

12/07/17 / #20170350933

Semiconductor device and multi-chip module

Provided is a semiconductor inspection circuit which is capable of inspecting connection states of power supply, ground, and signal bumps in a semiconductor package or a printed circuit board equipped with a semiconductor LSI mounted in a product operation state. As a means to solve the problem, a circuit capable... Hitachi Ltd

12/07/17 / #20170351156

Optical device and optical device manufacturing method

An object of the present invention is to provide a technique capable of easily manufacturing a desired optical device at the inside of a transparent board. An optical device according to the present invention is manufactured by denaturing the vicinity of a hollow structure at the inside of the transparent... Hitachi Ltd

12/07/17 / #20170351434

Method and apparatus of shared storage between multiple cloud environments

A computer system is coupled to a first storage system in a first site and a second storage system in a second site. The computer system comprises: a memory configured to store information which indicates that data in each segment of a plurality of segments of a logical unit is... Hitachi Ltd

12/07/17 / #20170351528

Method and apparatus to deploy information technology systems

Exemplary embodiments provide method and apparatus for deploying new systems agilely without preventing stable operation of existing IT systems. In one embodiment, a management computer is coupled to a first system. The management computer includes a memory and a processor. The processor is configured, in receipt of a request to... Hitachi Ltd

12/07/17 / #20170351553

Computer system, management system, and resource management method

The management system according to the present invention, which manages a plurality of computers, manages instances that are implemented using allocated from the plurality of computers, and selects, from among a plurality of different instance implementation methods, an instance implementation method that matches instance configuration information, which is information including... Hitachi Ltd

12/07/17 / #20170351561

Power storage management system

The above-mentioned problem may be solved by the following one solution. When a communication error where transmission, reception, or both transmission and reception of a signal is not allowed occurs between one or a plurality of a plurality of information acquisition devices that acquires states of a plurality of power... Hitachi Ltd

12/07/17 / #20170351601

Computer system, computer, and method

An allocation request for requesting allocation of a target virtual area with respect to target data issued to a system program includes a target ID corresponding to the target data. In response to the allocation request, whether or not the target ID is included in data map information is determined.... Hitachi Ltd

12/07/17 / #20170351602

Storage device and non-volatile memory device

To determine whether or not to data is compressed at a timing when a non-volatile memory device receives the data from a host apparatus. A storage controller transmits a specified logical address range, an update frequency level of the specified logical address range, and specified data to a device controller.... Hitachi Ltd

12/07/17 / #20170351700

Computer system, file storage controller, and data sharing method

Each file storage apparatus of a plurality of file storage apparatuses stores a file system, and associates and stores paths of elements in the file system and archive destinations of the elements in an archive storage apparatus. When the file system is operated, each file storage apparatus transmits archive data... Hitachi Ltd

12/07/17 / #20170351843

Ultrasonic diagnostic device and producing examination report

According to the present invention, the production of repeated examination reports for each examination is limited in a report producing unit. In an ultrasonic diagnostic device according to the present invention, when a user provides an instruction to start producing a report, the report producing unit is activated. For example,... Hitachi Ltd

12/07/17 / #20170352134

Ultrasound diagnostic device

On the basis of voxel data for a plurality of voxels constituting a set of ultrasound volume data, a voxel group identifying unit 50 identifies, in said ultrasound volume data, one or more voxel groups formed by a plurality of voxels in which voxel data satisfy a condition of being... Hitachi Ltd

12/07/17 / #20170352604

Semiconductor device and power conversion device using same

In order to improve productivity of a semiconductor device, while improving stability of the blocking voltage of the semiconductor device, this semiconductor device is characterized by having a semiconductor element, and a laminated structure having three resin layers, said laminated structure being in a peripheral section surrounding a main electrode... Hitachi Ltd

Patent Packs
12/07/17 / #20170352648

Semiconductor device, manufacturing same, and semiconductor module

In order to form, in a wide band gap semiconductor device, a high field resistant sealing material having a large end portion film thickness, said high field resistant sealing material corresponding to a reduced termination region having a high field intensity, and to improve accuracy and shorten time of manufacturing... Hitachi Ltd

12/07/17 / #20170352867

Lithium-containing transition metal oxide and lithium ion secondary cell using same

The present invention provides, as a lithium-containing transition metal oxide, a substance which is given by the chemical compositional formula Li4M5O12 (M=Cr, Co, or Zr) and has a spinel-type crystal structure. Provided is a lithium ion secondary cell having a positive electrode configured from a lithium-containing transition metal oxide which... Hitachi Ltd

12/07/17 / #20170353033

Power system stabilization device and method

A power system stabilization device for the stabilization control of a power system, includes an indicator calculation unit for calculating an acceleration index, which is an index representing the acceleration of a generator for supplying electric power to the power system, by using the generator output, which is the output... Hitachi Ltd

11/30/17 / #20170340252

Device for optical measurement of living body, analysis device, and analysis method

A device is provided for the optical measurement of a living body. For the purpose of separating a signal coming from the change in hemodynamics in a deep part from a signal coming from the change in hemodynamics in skin, light irradiation sites and light detection sites are positioned so... Hitachi Ltd

11/30/17 / #20170340903

Radiographic imaging apparatus and particle beam therapy system

The radiographic imaging apparatus is configured so that an irradiation device is mounted on a rotary drum of a rotary gantry. A pair of X-ray sources is disposed outside the rotary drum and attached to the outer surface of the rotary drum. A pair of FPDs facing the respective X-ray... Hitachi Ltd

11/30/17 / #20170342365

Closed-system culture vessel, transport method, and automated culturing device

To provide a closed system culture vessel for realizing culturing in which an aseptic state is maintained at the time of culturing, and making the reduction of the shear stress generated during conveyance after manufacturing possible. A closed system culture vessel 201 holds a second vessel 302 consisting of an... Hitachi Ltd

11/30/17 / #20170343580

Scanning probe microscope and sample holder therefor

This sample holder for a scanning probe microscope is constituted of (1) a container that retains a liquid and (2) a flat-plate-shaped upper cover that covers an upper opening of the container and that has a narrow slit above the position where a sample is placed. In the upper cover,... Hitachi Ltd

11/30/17 / #20170344313

Storage system and control method therefor

A storage system has a cluster structure in which a node is connected with a different node, the node having a volatile memory for storing first update data from a host and a first non-volatile memory for storing second copy data of second update data from the host to the... Hitachi Ltd

11/30/17 / #20170344917

Operation specification reproduction system and operation specification reproduction method

An operation specification reproduction system includes: a case flowchart generation unit generating, on the basis of operation log data comprising records of necessary operations performed by persons in charge in order to execute respective cases, a case flowchart showing flows of operations performed by the persons in charge; a template... Hitachi Ltd

11/30/17 / #20170345593

Gas circuit breaker

A gas circuit breaker includes a sealed tank, a movable side main electrode and a fixed side main electrode in the sealed tank facing each other, a movable side arc electrode and a fixed side arc electrode in the sealed tank facing each other, a cylinder at a circumference of... Hitachi Ltd

11/30/17 / #20170346427

Gas turbine power generation system and control system used in the same

A gas turbine power generation system having an improved function to stabilize the power system is disclosed. The gas turbine power generation system has a dual-shaft gas turbine, an electric generator mechanically connected to a low pressure turbine of the dual-shaft gas turbine and electrically connected to an electric power... Hitachi Ltd

11/30/17 / #20170347445

Printed circuit board for reducing common mode current and a method thereof

The present disclosure relates to a PCB and a method in the PCB for reducing common-mode current. The PCB comprises two differential lines and each of the differential lines is on one or more planes of the PCB. The two differential lines carry a differential mode current and the common... Hitachi Ltd

11/23/17 / #20170333004

Ultrasound diagnostic device and elasticity evaluation method

Provided is an ultrasound diagnostic device having an elasticity evaluation function with which high accuracy and high reproducibility can be achieved while avoiding the influence of internal stresses. The ultrasound diagnostic device comprises: a transceiver which causes a probe for transmitting and receiving ultrasonic waves to transmit and receive first,... Hitachi Ltd

11/23/17 / #20170335773

Gas turbine power generation system

This gas turbine power generation system includes: a two-shaft gas turbine; a power generator that is driven by the two-shaft gas turbine and that generates power; an electric motor that is driven by power generated by the power generator; and a frequency converter that converts a frequency of the power... Hitachi Ltd

11/23/17 / #20170337842

Sensor data analysis system and sensor data analysis method

Provided is a sensor data analysis system, comprising terminals, a control unit, an analysis unit, and a storage unit, wherein the terminals worn on persons belonging to an organization, the terminals each comprising a sensor to measure a physical quantity, the storage unit holds an activity index of the organization,... Hitachi Ltd

11/23/17 / #20170337993

Fuel assembly

It is possible to achieve self-support of the fuel assembly without an upper grid plate when the fuel assembly is mounted or replaced, and it is also possible to prevent the fuel assembly from floating during a reactor operation. According to the present invention, the lower portion of the lower... Hitachi Ltd

11/23/17 / #20170338176

Semiconductor module and manufacturing semiconductor module

An object of the invention is to manufacture a semiconductor module small. A metal wire (212) connecting a control electrode (101) and a control terminal (21) rises to form a first angle (θ1) from the control electrode (101) toward a first conductive portion (202), gradually goes in substantially parallel to... Hitachi Ltd

11/23/17 / #20170339025

Management system that manages computer system

A management system displays a list of elements of some element types from among a plurality of element types, and receives a selection of the two or more elements from the list. The management system displays a topology which is configured of the two or more selected elements and an... Hitachi Ltd

11/23/17 / #20170339778

Accelerator and particle beam irradiation system

Ion beams are efficiently extracted with an accelerator that includes a circular vacuum container including a pair of circular return yokes facing each other. Six magnetic poles are radially disposed from the injection electrode at the periphery thereof in the return yoke. Six recessions are disposed alternately with the respective... Hitachi Ltd

11/16/17 / #20170325721

Blood vessel imaging apparatus and personal authentication system

In the conventional art, there has been a problem that it is difficult to perform, with a high usability and at a high precision, authentication that accepts a wide range of variation of showing attitude of a hand or a finger and ensures obtaining a clear blood-vessel image of a... Hitachi Ltd

11/16/17 / #20170327112

Travel control device

In the present invention, it is possible to accurately predict, at an earlier timing, that a pedestrian will perform constant speed movement or a route change that is more complex than the constant speed movement. Provided is a travel control device that can accurately determine a change in the route... Hitachi Ltd

11/16/17 / #20170328030

Operation system of working machine

The present invention improves a work efficiency of an entire system for operating a plurality of working machines. An operation system of the working machine includes a work progress calculating unit 80 which calculates a work progress of a plurality of working machines or a scheduled ending time calculating unit... Hitachi Ltd

11/16/17 / #20170328032

Volume estimation device and work machine using same

The invention improves volume estimation accuracy of an object in a container using a captured image in a case where a blind spot region exists in a captured image of the object in the container. A blind spot estimation portion for estimating the blind spot region of the object in... Hitachi Ltd

11/16/17 / #20170328864

Defect inspection device and defect inspection method

A defect inspection device configured to measure a surface shape of an inspection target using light applied to the inspection target via a spatial light phase modulator based on an interference state of reflected light from the inspection target obtained via the spatial light phase modulator, to measure magnetic field... Hitachi Ltd

11/16/17 / #20170328869

Piping inspection apparatus

An ultrasonic transmission probe is arranged such that an ultrasonic wave transmitted from the ultrasonic transmission probe toward a pipe propagates in a thick part of the pipe, is at least reflected on the outer peripheral face of the pipe, and travels toward an inspection site on the pipe, and... Hitachi Ltd

11/16/17 / #20170329006

Acoustic emission wave detector, acoustic emission wave detection system, and acoustic emission wave detection method

An acoustic emission wave detector includes a housing, an optical fiber that guides light from a wideband light source into the housing, and an FBG housed in the housing and having a diffractive grating that reflects light guided into the housing. The FBG is fixed on a side of the... Hitachi Ltd

11/16/17 / #20170329342

Parking management system and its control method

A parking management system and its control method for controlling a plurality of vehicles and efficiently managing a large-scale parking place are proposed. A parking management system for managing parking of a vehicle includes: a guiding system for automatically guiding the vehicle from a passenger space to a certain parking... Hitachi Ltd

11/16/17 / #20170329541

Data storage system, process and computer program for such data storage system for reducing read and write amplifications

The present disclosure relates to a data storage system, and processes and computer programs for such data storage system, for example including processing of: managing one or more metadata tree structures for storing data to one or more storage devices of the data storage system in units of blocks, each... Hitachi Ltd

11/16/17 / #20170330638

Nuclear reactor fuel rod and fuel assembly having bundled same

A nuclear reactor fuel rod is a fuel rod for a light-water reactor. The nuclear reactor fuel rod includes a fuel cladding tube and an end plug, both of which are formed of a silicon carbide material. A bonding portion between the fuel cladding tube and the end plug is... Hitachi Ltd

11/16/17 / #20170330961

Semiconductor device, manufacturing same, power conversion device, three-phase motor system, automobile, and railway carriage

The semiconductor device according to the present invention is provided with a semiconductor substrate of a first conductive type, a drain electrode formed on a back side of the semiconductor substrate, a drift layer of the first conductive type formed on a semiconductor substrate, a source area of the first... Hitachi Ltd

Social Network Patent Pack
11/16/17 / #20170331787

Unauthorized communication detection system and unauthorized communication detection method

A detection apparatus 30 stores a determination list (A1601) for determining whether there is unauthorized communication, receives a communication packet (A1501) flowing in a control system, determines whether a valid data pattern in the determination list (A1601) and a data pattern relating to the communication packet (A1501) match each other.... Hitachi Ltd








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