P

Inventor

TAKIZAWA TSUYOSHI

JP23 patents
⚠️ This page may combine multiple inventors who share the name “TAKIZAWA TSUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HONDA MOTOR CO LTD

14 patents
US5724808AMar 10, 1998

Air-fuel ratio control system for internal combustion engines

HONDA MOTOR CO LTD108 citations98
US5325664AJul 5, 1994

System for determining deterioration of catalysts of internal combustion engines

HONDA MOTOR CO LTD141 citations97
US5437154AAug 1, 1995

Misfire-detecting system for internal combustion engines

HONDA MOTOR CO LTD22 citations92
US5396765AMar 14, 1995

Oxygen sensor deterioration-detecting device for internal combustion engines

HONDA MOTOR CO LTD21 citations92
US5396766AMar 14, 1995

Abnormality-detecting device for internal combustion engines

HONDA MOTOR CO LTD26 citations92
US5386695AFeb 7, 1995

Air-fuel ratio control system for internal combustion engines, having catalytic converter deterioration-detecting function

HONDA MOTOR CO LTD27 citations92
US5381657AJan 17, 1995

Catalyst deterioration-detecting system for internal combustion engines

HONDA MOTOR CO LTD25 citations92
US5375416ADec 27, 1994

Air-fuel ratio sensor deterioration-detecting device for internal combustion engines

HONDA MOTOR CO LTD21 citations92
US5355864AOct 18, 1994

Evaporative fuel-processing system for internal combustion engines

HONDA MOTOR CO LTD22 citations92
US6955161B2Oct 18, 2005

Charge-injected internal combustion engine, and method of operating same

HONDA MOTOR CO LTD21 citations91
US5471869ADec 5, 1995

Combustion state-detecting system for internal combustion engines

HONDA MOTOR CO LTD13 citations74
US5406789AApr 18, 1995

Air-fuel ratio control system for internal combustion engines

HONDA MOTOR CO LTD11 citations74
US5379591AJan 10, 1995

Air-fuel ratio control system for internal combustion engines

HONDA MOTOR CO LTD17 citations74
US11199149B2Dec 14, 2021

Diagnosis device for fuel supply system

HONDA MOTOR CO LTD0 citations49

TOKYO ELECTRON LTD

4 patents

TOMOEGAWA PAPER CO LTD

2 patents

LITTELFUSE JAPAN G K

2 patents

HONDA GIKEN KOGYO K K HONDA MO

1 patent