Inventor

HASEGAWA KOHICHI

JP6 patents

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

TOYOTA MOTOR CO LTD

2 patents

US4739614AApr 26, 1988

Double air-fuel ratio sensor system in internal combustion engine

TOYOTA MOTOR CO LTD70 citations96

US3982395ASep 28, 1976

Exhaust system for multi-cylinder internal combustion

TOYOTA MOTOR CO LTD23 citations81

HITACHI LTD

2 patents

USD312901SDec 11, 1990

Electric vacuum cleaner

HITACHI LTD6 citations72

USD302878SAug 15, 1989

Electric vacuum cleaner

HITACHI LTD1 citations51

TOKAI RUBBER IND LTD

1 patent

US5000299AMar 19, 1991

Shock absorber using electro-viscous fluid

TOKAI RUBBER IND LTD48 citations92

NIPPON DENSO CO

1 patent

US4665740AMay 19, 1987

Combustion process sensor

NIPPON DENSO CO27 citations91