Inventor · disambiguated record
Takeshi Hagihara
Also filed as: HAGIHARA TAKESHI
71 granted patents·22 pending applications·62 citations·filing 1997–2025
98Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES52AUTONETWORKS TECHNOLOGIES LTD29TAKATA YOUSUKE3HAGIHARA TAKESHI2OKADA RYOU2
Top patents by PatentIndex Score
93 records- 0190US12362965B2Relay device, vehicle, communication method, and communication programSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Jul 15, 2025·3 cites·12 claims
- 0288US11152973B2Communication apparatusAUTONETWORKS TECHNOLOGIES LTD·Filed 2020·Granted Oct 19, 2021·3 cites·7 claims
- 0382US11951917B2Onboard communication system, switching device, and control methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Apr 9, 2024·2 cites·5 claims
- 0480US9130659B2Communication device and communication systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Granted Sep 8, 2015·6 cites·4 claims
- 0579US12425266B2Communication device, communication system, and communication methodAUTONETWORKS TECHNOLOGIES LTD·Filed 2022·Granted Sep 23, 2025·1 cites·6 claims
- 0677US12269400B2Relay device, in-vehicle communication system, in-vehicle communication method, and storage mediumSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Apr 8, 2025·1 cites·12 claims
- 0777US11962433B2Switch device, in-vehicle communication system, and communication methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Apr 16, 2024·1 cites·13 claims
- 0877US2024373455A1Management device, communication system, vehicle, vehicle communication management method, and vehicle communication management programSUMITOMO ELECTRIC INDUSTRIES·Filed 2024·Application pending·0 cites
- 0976US12007919B2In-vehicle communication device and vehicle communication methodAUTONETWORKS TECHNOLOGIES LTD·Filed 2020·Granted Jun 11, 2024·1 cites·8 claims
- 1074US10862703B2In-vehicle communication system, switch device, and communication control methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Dec 8, 2020·2 cites·12 claims
- 1174US10826720B2Switching device and determination methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Nov 3, 2020·2 cites·7 claims
- 1274US2024381084A1Relay device and vehicle communication methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2024·Application pending·0 cites
- 1373US10892913B2Gateway, on-vehicle communication system, communication control method and recording mediumSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Jan 12, 2021·2 cites·10 claims
- 1473US10812290B2On-vehicle communication system, switching device and on-vehicle communication methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Oct 20, 2020·2 cites·7 claims
- 1572US12266225B2On-vehicle communication system, switch device, communication control method, and communication control programSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Apr 1, 2025·2 cites·7 claims
- 1672US11260808B2On-board communication device, on-board communication system, communication control method, and communication control programSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Mar 1, 2022·2 cites·20 claims
- 1772US2025300856A1Relay device, vehicle, communication method, and communication programSUMITOMO ELECTRIC INDUSTRIES·Filed 2025·Application pending·0 cites
- 1871US11956314B2Management device, vehicle communication system, vehicle, vehicle communication management method, and vehicle communication management programSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Apr 9, 2024·1 cites·15 claims
- 1971US9780499B2Power receiving connector and communication systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2012·Granted Oct 3, 2017·4 cites·31 claims
- 2070US11373464B2Vehicle-mounted communications device, log collection method, and log collection programSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Jun 28, 2022·1 cites·10 claims
- 2170US9287934B2Communication device and communication systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Granted Mar 15, 2016·1 cites·16 claims
- 2269US12489814B2Management device, vehicle communication system, vehicle, vehicle communication management method, and vehicle communication management programSUMITOMO ELECTRIC INDUSTRIES·Filed 2024·Granted Dec 2, 2025·0 cites·19 claims
- 2368US12375345B2Relay device, vehicle communication system, vehicle, communication method, and communication programSUMITOMO ELECTRIC INDUSTRIES·Filed 2024·Granted Jul 29, 2025·0 cites·13 claims
- 2468US11063908B2On-vehicle communication device, communication control method, and communication control programSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Jul 13, 2021·1 cites·7 claims
- 2567US10965493B2On-vehicle communication system, on-vehicle device and communication control methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Mar 30, 2021·1 cites·5 claims
- 2666US11343347B2Relay device, relay method, and computer programAUTONETWORKS TECHNOLOGIES LTD·Filed 2019·Granted May 24, 2022·1 cites·19 claims
- 2764US12199875B2Communication device, transmission method, and computer programAUTONETWORKS TECHNOLOGIES LTD·Filed 2019·Granted Jan 14, 2025·1 cites·9 claims
- 2864US11502873B2Switch device, vehicle-mounted communication device, vehicle-mounted communication system, time correction method, and time correction programSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Nov 15, 2022·1 cites·10 claims
- 2964US11342960B2Relay device, relay method, and computer programAUTONETWORKS TECHNOLOGIES LTD·Filed 2019·Granted May 24, 2022·1 cites·12 claims
- 3064US2024388467A1Onboard device and sleep control methodAUTONETWORKS TECHNOLOGIES LTD·Filed 2024·Application pending·0 cites
- 3163US9762431B2Communication device, on-vehicle communication system, and inspection methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2012·Granted Sep 12, 2017·1 cites·11 claims
- 3262US12395840B2Relay device and vehicle communication methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Aug 19, 2025·0 cites·7 claims
- 3362US10320445B2Communication system and connectorAUTONETWORKS TECHNOLOGIES LTD·Filed 2015·Granted Jun 11, 2019·1 cites·7 claims
- 3461US9694701B2Vehicle charging apparatusNAKAGAWA NOBUYUKI·Filed 2013·Granted Jul 4, 2017·3 cites·8 claims
- 3561US9197290B2Communication system and communication deviceKOMATSU YUTAKA·Filed 2012·Granted Nov 24, 2015·3 cites·7 claims
- 3659US12075463B2Management device, communication system, vehicle, vehicle communication management method, and vehicle communication management programSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Aug 27, 2024·0 cites·14 claims
- 3759US9174592B2Power line communications system, power line communication device, and connector deviceTAKAKA YOUSUKE·Filed 2011·Granted Nov 3, 2015·4 cites·18 claims
- 3857US12113665B2Relay device, vehicle communication system, vehicle, communication method, and communication programSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Oct 8, 2024·0 cites·13 claims
- 3956US12325369B2In-vehicle management device and management methodAUTONETWORKS TECHNOLOGIES LTD·Filed 2022·Granted Jun 10, 2025·0 cites·6 claims
- 4055US12438781B2Management device, inspection method, and inspection programSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Oct 7, 2025·0 cites·20 claims
- 4155US12355597B2Communicator and communication deviceAUTONETWORKS TECHNOLOGIES LTD·Filed 2022·Granted Jul 8, 2025·0 cites·20 claims
- 4255US12101202B2Onboard device and sleep control methodAUTONETWORKS TECHNOLOGIES LTD·Filed 2021·Granted Sep 24, 2024·0 cites·7 claims
- 4354US9511727B2Power line communication system, connector device, and power line communication deviceTAKATA YOUSUKE·Filed 2012·Granted Dec 6, 2016·1 cites·8 claims
- 4452US9531131B2Power receiving connector, charging system and communication systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2012·Granted Dec 27, 2016·1 cites·8 claims
- 4551US12463845B2Relay device, relay system, relaying method, and computer programAUTONETWORKS TECHNOLOGIES LTD·Filed 2022·Granted Nov 4, 2025·0 cites·16 claims
- 4651US11558404B2On-board communication system, switching device, verification method, and verification programAUTONETWORKS TECHNOLOGIES LTD·Filed 2018·Granted Jan 17, 2023·0 cites·12 claims
- 4751US11374787B2Switch device, communication control method, and communication control programSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Jun 28, 2022·0 cites·5 claims
- 4851US10000503B2Power supply system and connectorHAGIHARA TAKESHI·Filed 2012·Granted Jun 19, 2018·0 cites·10 claims
- 4951US9337897B2Power line communication systemTAKATA YOUSUKE·Filed 2012·Granted May 10, 2016·1 cites·3 claims
- 5050US12367075B2In-vehicle device, vehicle management system, resource management method, and resource management program for allocation of computing recourses based on a usage stateSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Jul 22, 2025·0 cites·13 claims
Showing the top 50 of 93 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →