P

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 patents
US12362965B2Jul 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 patents

NAKAGAWA NOBUYUKI

1 patent

TAKAKA YOUSUKE

1 patent

(unassigned)

1 patent

ANDO HIROYA

1 patent

KOMATSU YUTAKA

1 patent

Showing the top 50 of 75 patents by PatentIndex Score.