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Kddi Corporation
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Kddi Corporation patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "K" | Kddi Corporation-related inventors


Communication apparatus, control method, and computer-readable storage medium

A communication apparatus that communicates with another communication apparatus detects a signal from the other communication apparatus, specifies an amount of a resource used to communicate a predetermined amount of data from the other communication apparatus to the communication apparatus, and transmits, to the other communication apparatus, one predetermined signal... Kddi Corporation

Management device, vehicle, management method, and computer program

A management device installed in an automobile includes an initially-delivered key storage unit for storing a plurality of initially-delivered keys corresponding to candidates of initially-delivered keys held by an ECU, a communication part for communicating with the ECU, a verification part for verifying encrypted data from the ECU with the... Kddi Corporation

Communication apparatus, control method, and computer-readable storage medium

A communication apparatus that communicates with another communication apparatus specifies one predetermined signal from a plurality of predetermined signals that are known in the communication apparatus and the other communication apparatus and respectively correspond to different amounts of a resource including at least one of a frequency and time used... Kddi Corporation

Data processing method, and data processing apparatus

A data processing method, includes: mapping each of a plurality of data, for which classes the data belong to are known, to one point on an N-dimensional feature space using at least two feature amounts; dividing a set of points corresponding to the plurality of data mapped on the feature... Kddi Corporation

Evaluation estimation apparatus capable of estimating evaluation based on period shift correlation, method, and computer-readable storage medium

An evaluation estimation apparatus includes: a document totaling unit configured to, for each predetermined unit period, associate, with the predetermined unit period, document information concerning a document which is generated during the predetermined unit period and related to the evaluation target; and an evaluation estimation unit configured to use a... Kddi Corporation

Coding device and decoding device

An encoding device includes means for determining a block division type and an intra prediction mode, means for applying non-square intra prediction to obtain a predictive value when the determined block is non-square, means for obtaining a prediction residual which is the difference between the predictive value and a corresponding... Kddi Corporation

Wireless communication device and wireless communication method

A wireless communication device transmits data to multiple wireless terminals at the same timing. The wireless communication device includes a complement calculation part configured to calculate the amount of complement for transmission data for each wireless terminal among multiple wireless terminals on multiple subcarriers distributed and assigned thereto, a complementation... Kddi Corporation

Base station antenna mobile communication system

The apparatus automatically corrects deformation of directivity in a vertical plane caused by abnormality in transmission paths and receiving paths. The apparatus includes transmission system detection means (13-1 to 13-4) configured to individually detect abnormality occurring in each of the transmission paths, receiving system detection means (23-1 to 23-4) configured... Kddi Corporation

Access point, wireless terminal, storage medium, and method utilizing pointer signal to communicate in available channel

A system, a program and a method allow a wireless terminal to discover an objective access point with a comparatively small amount of consumption energy and in a comparatively short waiting time. The access point (AP) includes: an AP WLAN communicator communicating using a predetermined available channel of a first... Kddi Corporation

Management device, key generating device, vehicle, maintenance tool, management system, management method, and computer program

An automobile is equipped with a management device including a communication part for communicating with an ECU mounted on an automobile, an encryption processor for generating an encrypted key by encrypting a key, a key generation part for generating the key, and a key storage unit for storing the key... Kddi Corporation

Radio control device, terminal device, and communication method

A base station device (E-UTRAN) assigns a frequency band unsupported by the base station device as a radio resource usable for terminal-to-terminal communication, and transmits resource information for designating the assigned radio resource to a first terminal device and a second terminal device.... Kddi Corporation

Radio control device, terminal device, and communication method

In a communication system capable of executing terminal-to-terminal communication in which wireless communication is performed directly without an intervention of a base station device between a first terminal device that is in a state in which cellular communication with the base station device can be executed and a second terminal... Kddi Corporation

Control device, base station, control method, and storage medium

A control device configured to control communication between a terminal and a base station manages, concerning the communication, first information representing a part of a number corresponding to an order of a packet and held by each of the terminal and the base station and second information representing another part... Kddi Corporation

Communication network system, transmission node, reception node, and message checking method

In a communication network system connected between a transmission node and a reception node, both the transmission node and the reception node store the same secret information with their secret information storage units. The transmission node includes a counter configured to increase its transmission count value by 1 for transmitting... Kddi Corporation

Base station system and communication apparatus

A base station system according to an aspect of the invention includes a baseband unit (BBU) and a radio frequency (RF) unit (RFU) connected to the BBU via a communication line. The RFU (BBU) measures the frequencies of occurrence of sampled values indicated by sampled data that is a digital... Kddi Corporation

Video encoding apparatus, video decoding apparatus, video compression and transmission system, video encoding method, video decoding method, and computer readable storage medium

A video encoding apparatus that encodes a video having a plurality of color components includes: a linear prediction unit configured to perform linear prediction of reference pixels of a prediction target color component using reference pixels that are used in intra prediction for a color component other than the prediction... Kddi Corporation

Base station apparatus, control method, and storage medium

In a wireless communication system in which when connecting one terminal apparatus to a base station apparatus and another base station apparatus, the other base station apparatus selects a frequency band to be used for control channels transmitted from the terminal apparatus to the other base station apparatus from a... Kddi Corporation

Terminal device, base station device, and usable architecture determination method

A terminal device is configured to establish a communication link with communication equipment through a base station device such that, upon establishing the communication link, part of the communication link is left for a certain base station while another part of the communication link is established with the terminal device... Kddi Corporation








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