Inventor · disambiguated record
Yasuhiko Ishida
Also filed as: ISHIDA YASUHIKO · MIYAGI HIDEO · YAMAGUCHI SHUNZO
67 granted patents·1 pending application·1,120 citations·filing 1973–2021
99Inventor score
Files withCANON KK15MITSUBISHI ELECTRIC CORP12TOYOTA MOTOR CO LTD12JAPAN STEEL WORKS LTD9NIPPON SOKEN6
Top patents by PatentIndex Score
68 records- 0195US7163000B2Engine control deviceYAMAHA MARINE KK·Filed 2005·Granted Jan 16, 2007·35 cites·12 claims
- 0295US5589858AInformation recording apparatusCANON KK·Filed 1994·Granted Dec 31, 1996·124 cites·17 claims
- 0389US8340847B2Navigation control system for shipSAKO HITOSHI·Filed 2010·Granted Dec 25, 2012·19 cites·7 claims
- 0488US4548625AExhaust gas cleaning device for diesel enginesTOYOTA MOTOR CO LTD·Filed 1984·Granted Oct 22, 1985·65 cites·7 claims
- 0585US4204514ASplit operation type multi-cylinder internal combustion engineTOYOTA MOTOR CO LTD·Filed 1978·Granted May 27, 1980·23 cites·16 claims
- 0684US4198940ASplit operation type multi-cylinder internal combustion engineTOYOTA MOTOR CO LTD·Filed 1978·Granted Apr 22, 1980·26 cites·13 claims
- 0783US9267458B2Control apparatus for general purpose engineSAKAGUCHI RYO·Filed 2012·Granted Feb 23, 2016·6 cites·8 claims
- 0883US7677937B2Operator control system of boatMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Mar 16, 2010·18 cites·6 claims
- 0982US7207856B2Engine control deviceYAMAHA MARINE KK·Filed 2005·Granted Apr 24, 2007·12 cites·16 claims
- 1080US5190768AApparatus for granulating plasticsJAPAN STEEL WORKS LTD·Filed 1991·Granted Mar 2, 1993·33 cites·3 claims
- 1180US4200083ASplit operation type multi-cylinder internal combustion engineTOYOTA MOTOR CO LTD·Filed 1978·Granted Apr 29, 1980·18 cites·13 claims
- 1279US4361125AFuel evaporator for internal combustion engineNIPPON SOKEN·Filed 1981·Granted Nov 30, 1982·20 cites·11 claims
- 1378US8235026B2Fuel injection control apparatus for engineYAMAGUCHI YOHEI·Filed 2010·Granted Aug 7, 2012·5 cites·6 claims
- 1477US9638114B2Boat engine idling revolution number control device and methodMITSUBISHI ELECTRIC CORP·Filed 2015·Granted May 2, 2017·2 cites·7 claims
- 1576US4257371ASplit operation type multi-cylinder internal combustion engineTOYOTA MOTOR CO LTD·Filed 1979·Granted Mar 24, 1981·16 cites·8 claims
- 1674US4175386AExhaust gas purification apparatus for an internal combustion engineNIPPON SOKEN·Filed 1977·Granted Nov 27, 1979·24 cites·7 claims
- 1773US4231329AApparatus for atomizing fuel in an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1978·Granted Nov 4, 1980·19 cites·11 claims
- 1871US5141164AFuel injectorNIPPON DENSO CO·Filed 1990·Granted Aug 25, 1992·31 cites·16 claims
- 1971US4377148AFuel mixture heating device of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1980·Granted Mar 22, 1983·15 cites·17 claims
- 2071US3947545APurification of exhaust gasTOYOTA MOTOR CO LTD·Filed 1973·Granted Mar 30, 1976·25 cites·7 claims
- 2170US4442820AExhaust recirculation system for internal combustion enginesNIPPON SOKEN·Filed 1982·Granted Apr 17, 1984·16 cites·12 claims
- 2269US9341125B2Engine control apparatus and engine control methodMITSUBISHI ELECTRIC CORP·Filed 2014·Granted May 17, 2016·3 cites·6 claims
- 2369US4390000AAir-fuel mixture heating device for internal combustion engineNIPPON SOKEN·Filed 1981·Granted Jun 28, 1983·14 cites·7 claims
- 2468US5497330AMethod for retaining the correction value of a control variable in an engine control deviceMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Mar 5, 1996·21 cites·1 claims
- 2568US5216478ADoppler velocity meterCANON KK·Filed 1992·Granted Jun 1, 1993·24 cites·21 claims
- 2667US5502466ADoppler velocimeter and position information detection apparatus for use with objects having variations in surface depthCANON KK·Filed 1994·Granted Mar 26, 1996·40 cites·19 claims
- 2767US5400759AFuel vapor purge system for internal combustion engine and method of diagnosis thereofMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Mar 28, 1995·22 cites·10 claims
- 2866US5812250ADoppler velocimeter and various kinds of apparatuses for signal processing thereofCANON KK·Filed 1997·Granted Sep 22, 1998·26 cites·23 claims
- 2964US7124014B1Electronic throttle control device of internal-combustion engineMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Oct 17, 2006·7 cites·7 claims
- 3063US9284907B2Fuel pump control apparatus of engineYAMAGUCHI YOHEI·Filed 2011·Granted Mar 15, 2016·2 cites·2 claims
- 3163US7680582B2Idling rotation speed control apparatusMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Mar 16, 2010·5 cites·7 claims
- 3262US6514062B2Die for use in an underwater granulating apparatusJAPAN STEEL WORKS LTD·Filed 2001·Granted Feb 4, 2003·4 cites·12 claims
- 3362US4538412AExhaust gas cleaning device for diesel enginesTOYOTA MOTOR CO LTD·Filed 1983·Granted Sep 3, 1985·28 cites·5 claims
- 3459US6283730B1Micro pump and method of producing the sameHITACHI LTD·Filed 1999·Granted Sep 4, 2001·17 cites·5 claims
- 3559US5552879ADoppler velocimeterCANON KK·Filed 1994·Granted Sep 3, 1996·17 cites·23 claims
- 3658US6057976AApparatus for detecting rotational displacement information of a rotating objectCANON KK·Filed 1997·Granted May 2, 2000·13 cites·21 claims
- 3758US5360585AMethod for correcting for thrust force generated when a cutter for granulating plastics is rotated in waterJAPAN STEEL WORKS LTD·Filed 1993·Granted Nov 1, 1994·15 cites·22 claims
- 3858US5229830ADoppler velocimeterCANON KK·Filed 1991·Granted Jul 20, 1993·29 cites·22 claims
- 3956US5831720AVelocimeter, signal processing method, and driving system using the sameCANON KK·Filed 1996·Granted Nov 3, 1998·17 cites·15 claims
- 4056US5578206AScreen pack replacing apparatusJAPAN STEEL WORKS LTD·Filed 1995·Granted Nov 26, 1996·25 cites·3 claims
- 4154US5840197AMethod for filtering a screen changer and a screen changerJAPAN STEEL WORKS LTD·Filed 1996·Granted Nov 24, 1998·16 cites·2 claims
- 4253US5483332ADisplacement information detecting apparatus and doppler velocimeter apparatusCANON KK·Filed 1995·Granted Jan 9, 1996·33 cites·30 claims
- 4352US12220850B2Free blend-type metal powder mixed resin molded body manufacturing methodDAIICHI SEIKOSHA CO LTD·Filed 2021·Granted Feb 11, 2025·0 cites·6 claims
- 4451US4133206AThrusting force detecting device of a rotary machining toolSHIN NIPPON KOKI CO LTD·Filed 1977·Granted Jan 9, 1979·13 cites·1 claims
- 4550US4147030AEngine exhaust gas purification systemNIPPON SOKEN·Filed 1977·Granted Apr 3, 1979·10 cites·6 claims
- 4649US12226940B2Molding screw, free blend injection molding machine, and free blend-type resin molded body manufacturing methodDAIICHI SEIKOSHA CO LTD·Filed 2020·Granted Feb 18, 2025·0 cites·8 claims
- 4749US5179418ADoppler velocimeter and apparatus using the sameCANON KK·Filed 1991·Granted Jan 12, 1993·19 cites·14 claims
- 4848US5947083AIdling engine speed control unitMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Sep 7, 1999·8 cites·3 claims
- 4948US5527176APelletizerJAPAN STEEL WORKS LTD·Filed 1994·Granted Jun 18, 1996·11 cites·4 claims
- 5046US6261079B1Screen exchanging deviceJAPAN STEEL WORKS LTD·Filed 1999·Granted Jul 17, 2001·13 cites·4 claims
Showing the top 50 of 68 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →