P

Inventor

CHUJO YOSHIKI

JP28 patents
⚠️ This page may combine multiple inventors who share the name “CHUJO YOSHIKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOYOTA MOTOR CO LTD

17 patents
US5035358AJul 30, 1991

Fuel injector for use in an engine

TOYOTA MOTOR CO LTD95 citations96
US4739614AApr 26, 1988

Double air-fuel ratio sensor system in internal combustion engine

TOYOTA MOTOR CO LTD70 citations96
US4942860AJul 24, 1990

Engine control system

TOYOTA MOTOR CO LTD47 citations92
US4836174AJun 6, 1989

Engine control system

TOYOTA MOTOR CO LTD24 citations92
US5195365AMar 23, 1993

Device for detecting combustion pressure of an internal combustion engine

TOYOTA MOTOR CO LTD38 citations91
US4905654AMar 6, 1990

Device for controlling an internal combustion engine

TOYOTA MOTOR CO LTD21 citations82
US4693076ASep 15, 1987

Double air-fuel ratio sensor system having improved response characteristics

TOYOTA MOTOR CO LTD24 citations82
US4538575ASep 3, 1985

Device for controllably heating oxygen sensor

TOYOTA MOTOR CO LTD20 citations82
US4528961AJul 16, 1985

Method of and system for lean-controlling air-fuel ratio in electronically controlled engine

TOYOTA MOTOR CO LTD26 citations82
US4924837AMay 15, 1990

Internal combustion engine having electric controlled fuel injection with oxygen sensor for detecting intake air amount

TOYOTA MOTOR CO LTD13 citations74
US4745741AMay 24, 1988

Double air-fuel ratio sensor system having improved response characteristics

TOYOTA MOTOR CO LTD19 citations74
US4729219AMar 8, 1988

Double air-fuel ratio sensor system having improved response characteristics

TOYOTA MOTOR CO LTD13 citations74
US4703619ANov 3, 1987

Double air-fuel ratio sensor system having improved response characteristics

TOYOTA MOTOR CO LTD8 citations74
US4491921AJan 1, 1985

Method and apparatus for controlling the air fuel ratio in an internal combustion engine

TOYOTA MOTOR CO LTD18 citations74
US4459669AJul 10, 1984

Method and apparatus for controlling the air-fuel ratio in an internal combustion engine

TOYOTA MOTOR CO LTD20 citations74
US4458319AJul 3, 1984

Method and apparatus for controlling the air-fuel ratio in an internal combustion engine

TOYOTA MOTOR CO LTD14 citations74
US5372838ADec 13, 1994

Process for fabricating electrode of oxygen sensor

TOYOTA MOTOR CO LTD9 citations66

OTSUKA TAKESHI

3 patents

NIPPON DENSO CO

2 patents

TOYOTA JIDOSHA KABUSHIKI

1 patent

DENSO CORP

1 patent

NIPPON SOKEN

1 patent

KURARAY CO

1 patent

SUMITOMO OSAKA CEMENT CO LTD

1 patent

CHUJO YOSHIKI

1 patent