P

Inventor

IZUMI TATSUYA

JP55 patents
⚠️ This page may combine multiple inventors who share the name “IZUMI TATSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO ELECTRIC INDUSTRIES

25 patents
US7835072B2Nov 16, 2010

Far-infrared camera lens, lens unit, and imaging apparatus

SUMITOMO ELECTRIC INDUSTRIES47 citations94
US7859747B2Dec 28, 2010

Infrared zoom lens and infrared camera

SUMITOMO ELECTRIC INDUSTRIES10 citations84
US7835071B2Nov 16, 2010

Far-infrared camera lens, lens unit, and imaging apparatus

SUMITOMO ELECTRIC INDUSTRIES15 citations84
US12362965B2Jul 15, 2025

Relay device, vehicle, communication method, and communication program

SUMITOMO ELECTRIC INDUSTRIES3 citations73
US11340891B2May 24, 2022

Control device, control method, and computer program

SUMITOMO ELECTRIC INDUSTRIES3 citations73
US10625754B2Apr 21, 2020

Control apparatus, control method, and computer program

SUMITOMO ELECTRIC INDUSTRIES6 citations73
US9837910B2Dec 5, 2017

AC-DC bi-directionally conversion device with failure determination function, failure determination method and computer readable medium

SUMITOMO ELECTRIC INDUSTRIES2 citations73
US7738169B2Jun 15, 2010

Infrared lens, infrared camera and night vision

SUMITOMO ELECTRIC INDUSTRIES5 citations73
US9660517B2May 23, 2017

DC-AC conversion device, control circuit controlling operation of DC-AC conversion device, and control method for controlling operation of DC-AC conversion device

SUMITOMO ELECTRIC INDUSTRIES4 citations71
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
US7911688B2Mar 22, 2011

Infrared lens, infrared camera, and night vision

SUMITOMO ELECTRIC INDUSTRIES3 citations62
US11962433B2Apr 16, 2024

Switch device, in-vehicle communication system, and communication method

SUMITOMO ELECTRIC INDUSTRIES1 citations61
US10250121B2Apr 2, 2019

Converter and control circuit

SUMITOMO ELECTRIC INDUSTRIES1 citations60
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
US11799991B2Oct 24, 2023

Relay device, in-vehicle communication system, vehicle, and in-vehicle communication method

SUMITOMO ELECTRIC INDUSTRIES0 citations52
US11416237B2Aug 16, 2022

Control apparatus, control method, and computer program

SUMITOMO ELECTRIC INDUSTRIES0 citations52
US11374787B2Jun 28, 2022

Switch device, communication control method, and communication control program

SUMITOMO ELECTRIC INDUSTRIES0 citations52
US12236723B2Feb 25, 2025

Management device, in-vehicle system, vehicle, communication management method and storage medium

SUMITOMO ELECTRIC INDUSTRIES0 citations51
US12021658B2Jun 25, 2024

Switch device, in-vehicle communication system, and communication method

SUMITOMO ELECTRIC INDUSTRIES0 citations51

AUTONETWORKS TECHNOLOGIES LTD

13 patents
US11152973B2Oct 19, 2021

Communication apparatus

AUTONETWORKS TECHNOLOGIES LTD3 citations71
US12513021B2Dec 30, 2025

In-vehicle device, in-vehicle network system, and information processing method

AUTONETWORKS TECHNOLOGIES LTD1 citations63
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
US12587444B2Mar 24, 2026

In-vehicle device, information processing method, and program

AUTONETWORKS TECHNOLOGIES LTD0 citations52
US12556447B2Feb 17, 2026

In-vehicle device, information processing method, and program

AUTONETWORKS TECHNOLOGIES LTD0 citations52
US12255958B2Mar 18, 2025

On-board relay device, information processing method, and program

AUTONETWORKS TECHNOLOGIES LTD0 citations51
US12537809B2Jan 27, 2026

In-vehicle relay device, in-vehicle system, information processing method, and a program

AUTONETWORKS TECHNOLOGIES LTD0 citations50
US12526348B2Jan 13, 2026

Vehicle-mounted relay device, vehicle-mounted communication system, and communication control method

AUTONETWORKS TECHNOLOGIES LTD0 citations50
US12457090B2Oct 28, 2025

Vehicle-mounted device, vehicle-mounted communication system, and time synchronization method

AUTONETWORKS TECHNOLOGIES LTD0 citations50
US12519677B2Jan 6, 2026

Communication device, communication system, and communication method

AUTONETWORKS TECHNOLOGIES LTD0 citations49
US12367028B2Jul 22, 2025

On-board device, information processing method, and computer program product

AUTONETWORKS TECHNOLOGIES LTD0 citations44

MURATA MANUFACTURING CO

6 patents

LINTEC CORP

2 patents

TERAOKA KANJI

1 patent

KOMATSU YUTAKA

1 patent

TOKYO INST TECH

1 patent

IZUMI TATSUYA

1 patent

Showing the top 50 of 55 patents by PatentIndex Score.