Inventor
YOSHIDA HIDEJI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIDA HIDEJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK SPARK PLUG CO
13 patentsUS5365910ANov 22, 1994
Misfire detector for use in internal combustion engine
NGK SPARK PLUG CO21 citations93
US4917067AApr 17, 1990
System for controlling air-fuel ratio of combustible mixture fed to internal combustion engine
NGK SPARK PLUG CO23 citations92
US5543716AAug 6, 1996
Sparkplug voltage probe for use with an internal combustion engine by clamping sparkplug cables with an insulation base
NGK SPARK PLUG CO5 citations74
US5477148ADec 19, 1995
Spark plug voltage probe device for use in an internal combustion engine
NGK SPARK PLUG CO9 citations74
US5453694ASep 26, 1995
Snap-in type sparkplug voltage probe device for use in internal combustion engine
NGK SPARK PLUG CO6 citations74
US5317267AMay 31, 1994
Spark plug voltage probe for use with an internal combustion engine
NGK SPARK PLUG CO14 citations74
US5269282ADec 14, 1993
Misfire detector for use in internal combustion engine
NGK SPARK PLUG CO15 citations74
US5253627AOct 19, 1993
Burning condition detecting device and burning control device in an internal combustion engine
NGK SPARK PLUG CO7 citations74
US5554930ASep 10, 1996
Spark plug voltage probe device in an internal combustion engine
NGK SPARK PLUG CO3 citations63
US5491417AFeb 13, 1996
Sparkplug voltage probe device having a capacitance compensating function for an internal combustion engine
NGK SPARK PLUG CO3 citations63
US5426370AJun 20, 1995
Spark plug voltage probe device for detecting a burning condition and reducing noise level in an internal combustion engine
NGK SPARK PLUG CO1 citations63
US5355056AOct 11, 1994
Sparkplug voltage detecting probe device for use in internal combustion engine
NGK SPARK PLUG CO3 citations63
US4932238AJun 12, 1990
Control system and method for controlling plant having high order lag
NGK SPARK PLUG CO5 citations62
DENSO CORP
10 patentsUS6081095AJun 27, 2000
Voltage balancer device for combination battery
DENSO CORP116 citations98
US6583602B2Jun 24, 2003
Vehicular power supply apparatus and method of controlling the same
DENSO CORP69 citations96
US7418824B2Sep 2, 2008
Refrigerating apparatus and fluid machine therefor
DENSO CORP21 citations93
US7992400B2Aug 9, 2011
Refrigerating apparatus and fluid machine therefor
DENSO CORP7 citations84
US6799553B1Oct 5, 2004
Variable valve timing controller
DENSO CORP9 citations73
US6236132B1May 22, 2001
Reluctance type motor
DENSO CORP10 citations73
US11831302B2Nov 28, 2023
Drive circuit for switch
DENSO CORP3 citations71
US7026782B2Apr 11, 2006
Method and apparatus for controlling synchronous motor
DENSO CORP3 citations62
US6232741B1May 15, 2001
Reluctance type motor apparatus and driving method capable of reducing ripples in motor output torque
DENSO CORP6 citations61
US10892698B2Jan 12, 2021
Current detection apparatus and control apparatus of rotary electric machine
DENSO CORP0 citations47