P

Inventor

UCHIDA TAKAHIRO

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

TOYOTA MOTOR CO LTD

30 patents
US7299625B2Nov 27, 2007

Exhaust purifying apparatus and exhaust purifying method for internal combustion engine

TOYOTA MOTOR CO LTD45 citations92
US7198952B2Apr 3, 2007

Catalyst deterioration detecting apparatus and method

TOYOTA MOTOR CO LTD38 citations92
US7162862B2Jan 16, 2007

Air-fuel ratio control apparatus for internal combustion engine

TOYOTA MOTOR CO LTD27 citations92
US7117665B2Oct 10, 2006

Catalyst degradation determining method

TOYOTA MOTOR CO LTD13 citations92
US6915628B2Jul 12, 2005

Catalyst degradation determining method

TOYOTA MOTOR CO LTD29 citations92
US6877311B2Apr 12, 2005

Catalyst degradation determining apparatus and method

TOYOTA MOTOR CO LTD51 citations92
US7159385B2Jan 9, 2007

Apparatus for and method of detecting deterioration of catalyst in internal combustion engine

TOYOTA MOTOR CO LTD7 citations74
US6761024B2Jul 13, 2004

Air-fuel ratio control system and method for internal combustion engines

TOYOTA MOTOR CO LTD9 citations74
US6755013B2Jun 29, 2004

Apparatus and method for detecting deterioration of catalyst of internal combustion engine

TOYOTA MOTOR CO LTD12 citations74
US7165389B2Jan 23, 2007

Catalyst degradation determining method

TOYOTA MOTOR CO LTD7 citations73
US7568337B2Aug 4, 2009

Device for detecting state of thermal degradation of exhaust purifying catalyst

TOYOTA MOTOR CO LTD5 citations62
US11248570B2Feb 15, 2022

Engine apparatus

TOYOTA MOTOR CO LTD1 citations61
US11230983B2Jan 25, 2022

Engine device

TOYOTA MOTOR CO LTD1 citations61
US11215146B2Jan 4, 2022

Engine device

TOYOTA MOTOR CO LTD1 citations61
US7430853B2Oct 7, 2008

Apparatus for evaluating deterioration condition of catalyst of internal combustion engine

TOYOTA MOTOR CO LTD4 citations61
US11974954B2May 7, 2024

Electric power assist device and program

TOYOTA MOTOR CO LTD0 citations56
US11791671B2Oct 17, 2023

Charging seat and program

TOYOTA MOTOR CO LTD0 citations56
US11746717B2Sep 5, 2023

Engine apparatus

TOYOTA MOTOR CO LTD0 citations51
US11434837B2Sep 6, 2022

Engine device

TOYOTA MOTOR CO LTD0 citations51
US11421612B2Aug 23, 2022

Engine device

TOYOTA MOTOR CO LTD0 citations51
US11346296B2May 31, 2022

Engine device

TOYOTA MOTOR CO LTD0 citations51
US11286869B2Mar 29, 2022

Engine device

TOYOTA MOTOR CO LTD0 citations51
US12542015B2Feb 3, 2026

Battery electric vehicle

TOYOTA MOTOR CO LTD0 citations50
US12492666B2Dec 9, 2025

Control device for engine

TOYOTA MOTOR CO LTD0 citations50
US11965473B2Apr 23, 2024

Controller and control method for internal combustion engine

TOYOTA MOTOR CO LTD0 citations50
US11933238B2Mar 19, 2024

Controller for internal combustion engine, control method for internal combustion engine, and memory medium

TOYOTA MOTOR CO LTD0 citations50
US11365701B2Jun 21, 2022

Engine device

TOYOTA MOTOR CO LTD0 citations50
US11313314B2Apr 26, 2022

Control apparatus of internal combustion engine

TOYOTA MOTOR CO LTD0 citations50
US11401885B2Aug 2, 2022

Engine unit

TOYOTA MOTOR CO LTD0 citations49
US11698018B2Jul 11, 2023

Control device and control method for internal combustion engine

TOYOTA MOTOR CO LTD0 citations48

MIYACHI TECHNOS KK

6 patents

FUJIFILM BUSINESS INNOVATION CORP

2 patents

NITTO DENKO CORP

2 patents

JAPANESE ORGANIZATION FOR MEDICAL DEVICE DEV INC

2 patents

RENESAS TECH CORP

1 patent

OBAYASHI SHIGEKI

1 patent

MITSUI CHEMICALS INC

1 patent

JX NIPPON MINING & METALS CORP

1 patent

FUKUDA ATSUSHI

1 patent

SAKAI YOSHIKI

1 patent

KAMOTO AKIRA

1 patent

NAKANO TOMOHIRO

1 patent

Showing the top 50 of 55 patents by PatentIndex Score.