Inventor
HAGIHARA TAKESHI
JP75 patents
⚠️ This page may combine multiple inventors who share the name “HAGIHARA TAKESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
35 patentsUS12362965B2Jul 15, 2025
Relay device, vehicle, communication method, and communication program
SUMITOMO ELECTRIC INDUSTRIES3 citations73
US11951917B2Apr 9, 2024
Onboard communication system, switching device, and control method
SUMITOMO ELECTRIC INDUSTRIES2 citations73
US10892913B2Jan 12, 2021
Gateway, on-vehicle communication system, communication control method and recording medium
SUMITOMO ELECTRIC INDUSTRIES2 citations73
US10862703B2Dec 8, 2020
In-vehicle communication system, switch device, and communication control method
SUMITOMO ELECTRIC INDUSTRIES2 citations73
US10826720B2Nov 3, 2020
Switching device and determination method
SUMITOMO ELECTRIC INDUSTRIES2 citations73
US10812290B2Oct 20, 2020
On-vehicle communication system, switching device and on-vehicle communication method
SUMITOMO ELECTRIC INDUSTRIES2 citations73
US12266225B2Apr 1, 2025
On-vehicle communication system, switch device, communication control method, and communication control program
SUMITOMO ELECTRIC INDUSTRIES2 citations72
US11260808B2Mar 1, 2022
On-board communication device, on-board communication system, communication control method, and communication control program
SUMITOMO ELECTRIC INDUSTRIES2 citations72
US9780499B2Oct 3, 2017
Power receiving connector and communication system
SUMITOMO ELECTRIC INDUSTRIES4 citations71
US9130659B2Sep 8, 2015
Communication device and communication system
SUMITOMO ELECTRIC INDUSTRIES6 citations70
US12269400B2Apr 8, 2025
Relay device, in-vehicle communication system, in-vehicle communication method, and storage medium
SUMITOMO ELECTRIC INDUSTRIES1 citations64
US12489814B2Dec 2, 2025
Management device, vehicle communication system, vehicle, vehicle communication management method, and vehicle communication management program
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US12438781B2Oct 7, 2025
Management device, inspection method, and inspection program
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US12375345B2Jul 29, 2025
Relay device, vehicle communication system, vehicle, communication method, and communication program
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US12113665B2Oct 8, 2024
Relay device, vehicle communication system, vehicle, communication method, and communication program
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US11956314B2Apr 9, 2024
Management device, vehicle communication system, vehicle, vehicle communication management method, and vehicle communication management program
SUMITOMO ELECTRIC INDUSTRIES1 citations62
US11502873B2Nov 15, 2022
Switch device, vehicle-mounted communication device, vehicle-mounted communication system, time correction method, and time correction program
SUMITOMO ELECTRIC INDUSTRIES1 citations62
US11444939B2Sep 13, 2022
Authentication control device, authentication control method, and authentication control program
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US11373464B2Jun 28, 2022
Vehicle-mounted communications device, log collection method, and log collection program
SUMITOMO ELECTRIC INDUSTRIES1 citations62
US11102218B2Aug 24, 2021
Relay device, detection method, and detection program
SUMITOMO ELECTRIC INDUSTRIES0 citations62
US11063908B2Jul 13, 2021
On-vehicle communication device, communication control method, and communication control program
SUMITOMO ELECTRIC INDUSTRIES1 citations62
US10965493B2Mar 30, 2021
On-vehicle communication system, on-vehicle device and communication control method
SUMITOMO ELECTRIC INDUSTRIES1 citations62
US11962433B2Apr 16, 2024
Switch device, in-vehicle communication system, and communication method
SUMITOMO ELECTRIC INDUSTRIES1 citations61
US10938596B2Mar 2, 2021
Switch device, communication control method and communication control program
SUMITOMO ELECTRIC INDUSTRIES0 citations58
US12381864B2Aug 5, 2025
Setting device, communication system, and vehicle communication management method
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US12367075B2Jul 22, 2025
In-vehicle device, vehicle management system, resource management method, and resource management program for allocation of computing recourses based on a usage state
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US12278865B2Apr 15, 2025
Relay device, in-vehicle communication system, vehicle, and in-vehicle communication method
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US12075463B2Aug 27, 2024
Management device, communication system, vehicle, vehicle communication management method, and vehicle communication management program
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US11938897B2Mar 26, 2024
On-vehicle device, management method, and management program
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US11799991B2Oct 24, 2023
Relay device, in-vehicle communication system, vehicle, and in-vehicle communication method
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US11683268B2Jun 20, 2023
Switch device, communication control method and recording medium
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US11516294B2Nov 29, 2022
Switch device, monitoring method and monitoring program
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US11374787B2Jun 28, 2022
Switch device, communication control method, and communication control program
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US11196702B2Dec 7, 2021
In-vehicle communication device, and communication control method
SUMITOMO ELECTRIC INDUSTRIES0 citations52
US11171808B2Nov 9, 2021
Switch device, communication control method, and recording medium
SUMITOMO ELECTRIC INDUSTRIES0 citations52
AUTONETWORKS TECHNOLOGIES LTD
10 patentsUS11152973B2Oct 19, 2021
Communication apparatus
AUTONETWORKS TECHNOLOGIES LTD3 citations71
US12199875B2Jan 14, 2025
Communication device, transmission method, and computer program
AUTONETWORKS TECHNOLOGIES LTD1 citations62
US11558404B2Jan 17, 2023
On-board communication system, switching device, verification method, and verification program
AUTONETWORKS TECHNOLOGIES LTD0 citations62
US12425266B2Sep 23, 2025
Communication device, communication system, and communication method
AUTONETWORKS TECHNOLOGIES LTD1 citations61
US12325369B2Jun 10, 2025
In-vehicle management device and management method
AUTONETWORKS TECHNOLOGIES LTD0 citations61
US12007919B2Jun 11, 2024
In-vehicle communication device and vehicle communication method
AUTONETWORKS TECHNOLOGIES LTD1 citations61
US10320445B2Jun 11, 2019
Communication system and connector
AUTONETWORKS TECHNOLOGIES LTD1 citations61
US11343347B2May 24, 2022
Relay device, relay method, and computer program
AUTONETWORKS TECHNOLOGIES LTD1 citations59
US11342960B2May 24, 2022
Relay device, relay method, and computer program
AUTONETWORKS TECHNOLOGIES LTD1 citations59
US12355597B2Jul 8, 2025
Communicator and communication device
AUTONETWORKS TECHNOLOGIES LTD0 citations56
NAKAGAWA NOBUYUKI
1 patentTAKAKA YOUSUKE
1 patent(unassigned)
1 patentANDO HIROYA
1 patentKOMATSU YUTAKA
1 patentShowing the top 50 of 75 patents by PatentIndex Score.