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Inventor

YOSHINAGA TORU

JP22 patents
⚠️ This page may combine multiple inventors who share the name “YOSHINAGA TORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON SOKEN

19 patents
US5239972AAug 31, 1993

Gas/liquid separation device

NIPPON SOKEN64 citations96
US4621599ANov 11, 1986

Method and apparatus for operating direct injection type internal combustion engine

NIPPON SOKEN121 citations96
US4550744ANov 5, 1985

Piezoelectric hydraulic control valve

NIPPON SOKEN72 citations96
US4514657AApr 30, 1985

Spark plug having dual gaps for internal combustion engines

NIPPON SOKEN61 citations96
US4784102ANov 15, 1988

Fuel injector and fuel injection system

NIPPON SOKEN65 citations95
US4603671AAug 5, 1986

Fuel injector for an internal combustion engine

NIPPON SOKEN126 citations95
US4535735AAug 20, 1985

Multi-gap spark ignition system

NIPPON SOKEN45 citations93
US4579283AApr 1, 1986

Pressure responsive fuel injector actuated by pump

NIPPON SOKEN33 citations92
US4529164AJul 16, 1985

Piezo-type valve

NIPPON SOKEN28 citations92
US4480619ANov 6, 1984

Flow control device

NIPPON SOKEN35 citations92
US4649887AMar 17, 1987

Pump for supplying pressurized fuel to fuel injector of internal combustion engine

NIPPON SOKEN10 citations74
US4470392ASep 11, 1984

Multi-gap spark ignition device for engine

NIPPON SOKEN19 citations74
US4406273ASep 27, 1983

Ignition system for internal combustion engine

NIPPON SOKEN17 citations74
US4793314ADec 27, 1988

Fuel injection pump for an internal combustion engine

NIPPON SOKEN9 citations73
US4610427ASep 9, 1986

Piezoelectric control valve for fuel injector of internal combustion engine

NIPPON SOKEN10 citations73
US4590908AMay 27, 1986

Fuel amount control system in an internal combustion engine

NIPPON SOKEN13 citations73
US4408592AOct 11, 1983

Ignition system for internal combustion engines

NIPPON SOKEN4 citations63
US4350137ASep 21, 1982

Ignition system for internal combustion engines

NIPPON SOKEN5 citations63
US4421091ADec 20, 1983

Ignition system for internal combustion engines

NIPPON SOKEN1 citations48

FUJITSU LTD

2 patents

DENSO CORP

1 patent