Assignee
KDDI CORP
JP·323 granted patents·221 pending applications·1,085 citations·filing 1998–2025
Top patents by PatentIndex Score
544 records- 0194US12137210B2Image decoding device, image decoding method, and programKDDI CORP·Filed 2023·Granted Nov 5, 2024·3 cites·3 claims
- 0294US11627311B2Image decoding device, image decoding method, and programKDDI CORP·Filed 2020·Granted Apr 11, 2023·4 cites·5 claims
- 0393US6823142B1Polarization mode dispersion compensating apparatusKDDI CORP·Filed 2000·Granted Nov 23, 2004·65 cites·16 claims
- 0493US6801692B2Optical coupling structureKDDI CORP·Filed 2002·Granted Oct 5, 2004·65 cites·8 claims
- 0592US7876907B2Apparatus for fault detection for parallelly transmitted audio signals and apparatus for delay difference detection and adjustment for parallelly transmitted audio signalsKDDI CORP·Filed 2008·Granted Jan 25, 2011·14 cites·7 claims
- 0692US7342880B2Video information transmission system, and apparatus and program used for video information transmission systemKDDI CORP·Filed 2003·Granted Mar 11, 2008·62 cites·24 claims
- 0790US10999078B2Software distribution processing device, software distribution processing method, and vehicleKDDI CORP·Filed 2016·Granted May 4, 2021·9 cites·7 claims
- 0889US11790788B2Information processing apparatus and information processing methodKDDI CORP·Filed 2021·Granted Oct 17, 2023·2 cites·9 claims
- 0989US9454230B2Imaging apparatus for taking image in response to screen pressing operation, imaging method, and programKDDI CORP·Filed 2012·Granted Sep 27, 2016·11 cites·9 claims
- 1089US7486928B2Methods and apparatus for wireless communicationsKDDI CORP·Filed 2006·Granted Feb 3, 2009·24 cites·16 claims
- 1188US11457388B2Terminal apparatus and base station apparatus in wireless communication system in which handover including relay transmission path is executed, control method thereof, and storage mediumKDDI CORP·Filed 2020·Granted Sep 27, 2022·2 cites·15 claims
- 1288US11212087B2Management system, key generation device, in-vehicle computer, management method, and computer programKDDI CORP·Filed 2017·Granted Dec 28, 2021·8 cites·20 claims
- 1387US11438615B2Moving picture decoding device, moving picture decoding method, and program obtaining chrominance values from corresponding luminance valuesKDDI CORP·Filed 2019·Granted Sep 6, 2022·3 cites·3 claims
- 1487US7877057B2Wireless communication system, relay station device and base station deviceKDDI CORP·Filed 2005·Granted Jan 25, 2011·23 cites·6 claims
- 1586US10945160B2Management device, communication terminal, and method for communication terminalKDDI CORP·Filed 2017·Granted Mar 9, 2021·4 cites·19 claims
- 1686US7835268B2Optical termination systemKDDI CORP·Filed 2006·Granted Nov 16, 2010·11 cites·14 claims
- 1786US7729391B2Transmitting device with discard control of specific media dataKDDI CORP·Filed 2005·Granted Jun 1, 2010·11 cites·15 claims
- 1886US7673334B2Communication system and security assurance deviceKDDI CORP·Filed 2005·Granted Mar 2, 2010·21 cites·39 claims
- 1985US7729365B2Gateway for controlling electric equipment connected to LAN through WANKDDI CORP·Filed 2007·Granted Jun 1, 2010·16 cites·22 claims
- 2085US2026052250A1Image decoding device, image decoding method, and programKDDI CORP·Filed 2025·Application pending·0 cites
- 2185US2026052797A1Image decoding device, image decoding method, and programKDDI CORP·Filed 2025·Application pending·0 cites
- 2284US11521043B2Information processing apparatus for embedding watermark information, method, and computer readable storage mediumKDDI CORP·Filed 2019·Granted Dec 6, 2022·5 cites·7 claims
- 2383US11330497B2Communication control apparatus, control method thereof, and storage mediumKDDI CORP·Filed 2020·Granted May 10, 2022·2 cites·22 claims
- 2482US11546180B2Data management apparatus, data management method, and data communication systemKDDI CORP·Filed 2020·Granted Jan 3, 2023·2 cites·18 claims
- 2582US11341862B2Flight management device and flying deviceKDDI CORP·Filed 2019·Granted May 24, 2022·7 cites·14 claims
- 2682US11265170B2Vehicle information collection system, vehicle-mounted computer, vehicle information collection device, vehicle information collection method, and computer programKDDI CORP·Filed 2017·Granted Mar 1, 2022·7 cites·4 claims
- 2782US7565082B2Data transmission method and system thereof, portable terminal, and data receiverKDDI CORP·Filed 2005·Granted Jul 21, 2009·18 cites·2 claims
- 2882US7558482B2Method for dynamically establishing logical link in PON systems and an optical network unit for the methodKDDI CORP·Filed 2005·Granted Jul 7, 2009·10 cites·8 claims
- 2982US2025358700A1Enabling a terminal device to perform efficient communication in a stand-by stateKDDI CORP·Filed 2025·Application pending·0 cites
- 3081US12349212B2Base station apparatus, terminal apparatus, and control methods for the same for cellular communication network in which relay communication is performedKDDI CORP·Filed 2024·Granted Jul 1, 2025·0 cites·6 claims
- 3181US10819988B2Moving image encoding apparatus, moving image decoding apparatus, moving image encoding method, moving image decoding method, and computer readable storage mediumKDDI CORP·Filed 2018·Granted Oct 27, 2020·3 cites·11 claims
- 3281US7317747B2Transmitter and receiverKDDI CORP·Filed 2004·Granted Jan 8, 2008·26 cites·9 claims
- 3380US11877325B2Base station apparatus, terminal apparatus, and control methods for the same for cellular communication network in which relay communication is performedKDDI CORP·Filed 2020·Granted Jan 16, 2024·1 cites·14 claims
- 3480US10855460B2In-vehicle computer system, vehicle, key generation device, management method, key generation method, and computer programKDDI CORP·Filed 2017·Granted Dec 1, 2020·4 cites·15 claims
- 3580US10419220B2Management device, key generating device, vehicle, maintenance tool, management system, management method, and computer programKDDI CORP·Filed 2015·Granted Sep 17, 2019·5 cites·10 claims
- 3680US7151799B2Transcoder for coded videoKDDI CORP·Filed 2003·Granted Dec 19, 2006·19 cites·50 claims
- 3780US6943827B2Apparatus for monitoring quality of picture in transmissionKDDI CORP·Filed 2002·Granted Sep 13, 2005·19 cites·12 claims
- 3879US12389293B2Enabling a terminal device to perform efficient communication in a stand-by stateKDDI CORP·Filed 2024·Granted Aug 12, 2025·0 cites·7 claims
- 3979US12238282B2Image decoding device, image decoding method, and programKDDI CORP·Filed 2024·Granted Feb 25, 2025·0 cites·3 claims
- 4079US11272418B2Wireless communication device, communication control method, and computer programKDDI CORP·Filed 2018·Granted Mar 8, 2022·2 cites·39 claims
- 4179US11057863B2Terminal device and network device for exchanging information on selected beamKDDI CORP·Filed 2019·Granted Jul 6, 2021·3 cites·11 claims
- 4279US10970398B2Data provision system, data security device, data provision method, and computer programKDDI CORP·Filed 2017·Granted Apr 6, 2021·3 cites·4 claims
- 4379US7116650B2Multi-beam cellular base station, mobile station and method for sending spread spectrum signalKDDI CORP·Filed 2002·Granted Oct 3, 2006·27 cites·5 claims
- 4479US2026006241A1Image decoding device, image decoding method, and programKDDI CORP·Filed 2025·Application pending·0 cites
- 4579US2025080766A1Moving picture decoding device, moving picture decoding method, and program obtaining chrominance values from corresponding luminance valuesKDDI CORP·Filed 2024·Application pending·0 cites
- 4678US12407856B2Image decoding device, image decoding method, and programKDDI CORP·Filed 2024·Granted Sep 2, 2025·0 cites·3 claims
- 4778US12232192B2Base station apparatus, terminal apparatus, and control methods for the same for cellular communication network in which relay communication is performedKDDI CORP·Filed 2023·Granted Feb 18, 2025·0 cites·5 claims
- 4878US8014325B2Communication scheduling method for wireless relay systemsKDDI CORP·Filed 2006·Granted Sep 6, 2011·12 cites·5 claims
- 4978US7872999B2Method and relay station for aggregating service connection identifiers in IEEE 802.16KDDI CORP·Filed 2007·Granted Jan 18, 2011·9 cites·10 claims
- 5078US7551198B2Transmitted picture quality monitoring apparatusKDDI CORP·Filed 2005·Granted Jun 23, 2009·5 cites·12 claims
Showing the top 50 of 544 patent records by PatentIndex Score.
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →