P

Inventor

SUGIURA NOBORU

JP80 patents
⚠️ This page may combine multiple inventors who share the name “SUGIURA NOBORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

42 patents
US4874053AOct 17, 1989

Torque detecting apparatus

HITACHI LTD118 citations96
US6595194B1Jul 22, 2003

Ignition system for internal combustion engine

HITACHI LTD23 citations93
US6539929B2Apr 1, 2003

Ignition device for an internal combustion engine

HITACHI LTD26 citations93
US5664550ASep 9, 1997

Ignition system of internal combustion engine

HITACHI LTD33 citations93
US4450719AMay 29, 1984

Air flow meter

HITACHI LTD33 citations93
US6571784B2Jun 3, 2003

Ignition coil for use in engine and engine having plastic cylinder head cover

HITACHI LTD14 citations92
US6378514B1Apr 30, 2002

Igniter for internal combustion engine

HITACHI LTD48 citations92
US6343595B1Feb 5, 2002

Ignition coil for internal combustion engine

HITACHI LTD28 citations92
US6332458B1Dec 25, 2001

Ignition coil unit for engine and engine provided with plastic head cover

HITACHI LTD29 citations92
US6321734B1Nov 27, 2001

Resin sealed electronic device and method of fabricating the same and ignition coil for internal combustion engine using the same

HITACHI LTD39 citations92
US6308696B1Oct 30, 2001

Ignition apparatus for use in internal combustion engine

HITACHI LTD27 citations92
US4972320ANov 20, 1990

Motor-driven power steering apparatus

HITACHI LTD52 citations92
US4803629AFeb 7, 1989

Power steering apparatus and control system for power steering apparatus having a steering wheel angle detection device

HITACHI LTD51 citations92
US4425891AJan 17, 1984

Engine knock control apparatus

HITACHI LTD27 citations92
US5558074ASep 24, 1996

Ignition device for internal-combustion engine

HITACHI LTD31 citations91
US4992944AFeb 12, 1991

Power steering control system

HITACHI LTD41 citations91
US5632259AMay 27, 1997

Ignition apparatus for an internal combustion engine

HITACHI LTD46 citations90
US4248201AFeb 3, 1981

Molded ignition device

HITACHI LTD41 citations90
US5775310AJul 7, 1998

Ignition device for an internal combustion engine

HITACHI LTD24 citations88
US6810345B2Oct 26, 2004

Gas flow meter

HITACHI LTD13 citations84
US6684867B2Feb 3, 2004

Ignition apparatus for internal combustion engine and one-chip semiconductor for internal combustion engine igniting

HITACHI LTD18 citations84
US5581131ADec 3, 1996

Electronic distributor ignition device for internal combustion engines

HITACHI LTD19 citations84
US7487767B2Feb 10, 2009

Ignition coil for use in engine and engine having plastic cylinder head cover

HITACHI LTD8 citations83
US4581929AApr 15, 1986

Air flow meter circuit with temperature compensation circuit

HITACHI LTD20 citations82
US4367531AJan 4, 1983

Method and apparatus for controlling ignition timing of internal combustion engine

HITACHI LTD26 citations82
US5724601AMar 3, 1998

Switching state detecting apparatus, control unit and transmission unit for waking up a microcomputer

HITACHI LTD7 citations74
US5606487AFeb 25, 1997

Electronic device for offsetting adverse effects of a plurality of chips which repetitively produce large pulses of heat

HITACHI LTD12 citations74
US5143553ASep 1, 1992

Control apparatus of ignition current conducting time

HITACHI LTD19 citations74
US4710881ADec 1, 1987

Knock control apparatus for internal combustion engine

HITACHI LTD16 citations74
US4612902ASep 23, 1986

Knocking control method and apparatus for internal combustion engine

HITACHI LTD13 citations74
US4599982AJul 15, 1986

Knock control apparatus for internal combustion engines

HITACHI LTD10 citations74
US4583175AApr 15, 1986

Method and apparatus of ignition timing control

HITACHI LTD9 citations74
US4565171AJan 21, 1986

Knock controller for an internal combustion engine

HITACHI LTD9 citations74
US4549514AOct 29, 1985

Method and apparatus for controlling knocking of an internal combustion engine

HITACHI LTD14 citations74
US4528955AJul 16, 1985

Knock control system

HITACHI LTD14 citations74
US4513718AApr 30, 1985

Apparatus for controlling ignition timing for internal combustion engines

HITACHI LTD14 citations74
US4411246AOct 25, 1983

Ignition system and method for internal combustion engine

HITACHI LTD7 citations74
US4285323AAug 25, 1981

Transistorized ignition apparatus for driving ignition coils in an internal combustion engine

HITACHI LTD8 citations74
US4267470AMay 12, 1981

Rotational angle detecting apparatus

HITACHI LTD18 citations74
US4248200AFeb 3, 1981

Ignition system for internal combustion engine

HITACHI LTD17 citations74
US4245610AJan 20, 1981

Ignition apparatus for internal combustion engine

HITACHI LTD7 citations74
US4201173AMay 6, 1980

Ignition apparatus for multi-cylinder reciprocating internal combustion engine

HITACHI LTD9 citations74

TOYODA CHUO KENKYUSHO KK

4 patents

HONDA MOTOR CO LTD

2 patents

HITACHI LTD & HITACHI CAR ENGI

1 patent

TOYOTA MOTOR CO LTD

1 patent

Showing the top 50 of 80 patents by PatentIndex Score.