Inventor · disambiguated record
Eiji Yoshikawa
Also filed as: YOSHIKAWA EIJI
27 granted patents·8 pending applications·347 citations·filing 1973–2022
96Inventor score
Files withSUMITOMO CHEMICAL CO13MITSUBISHI ELECTRIC CORP10YOSHIKAWA EIJI4KOMATSU MFG CO LTD3TOYOTA MOTOR CO LTD2
Top patents by PatentIndex Score
35 records- 0195US6955086B2Acceleration sensorMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Oct 18, 2005·68 cites·15 claims
- 0292US5339665ADie-cushion apparatus of press machineKOMATSU MFG CO LTD·Filed 1991·Granted Aug 23, 1994·44 cites·2 claims
- 0391US6078016ASemiconductor accelerometer switchMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Jun 20, 2000·88 cites·18 claims
- 0487US6194678B1Pressure switchMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Feb 27, 2001·34 cites·20 claims
- 0583US10239886B2Polymer compound and organic semiconductor device using the sameSUMITOMO CHEMICAL CO·Filed 2015·Granted Mar 26, 2019·2 cites·15 claims
- 0682US7732643B2Transition metal complex, catalyst for olefin polymerization, and process for producing olefin polymer with the sameSUMITOMO CHEMICAL CO·Filed 2009·Granted Jun 8, 2010·4 cites·10 claims
- 0778US7562582B2Semiconductor strain sensorMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Jul 21, 2009·7 cites·3 claims
- 0878US5231860AWork feeder controllerKOMATSU MFG CO LTD·Filed 1990·Granted Aug 3, 1993·27 cites·30 claims
- 0975US10260976B2Semiconductor differential pressure sensor and manufacturing method of the sameMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Apr 16, 2019·2 cites·11 claims
- 1072US8647908B2Semiconductor pressure sensor and method of manufacturing semiconductor pressure sensorYOSHIKAWA EIJI·Filed 2012·Granted Feb 11, 2014·2 cites·8 claims
- 1167US4866617AMethod of guiding an unmanned vehicleKOMATSU MFG CO LTD·Filed 1987·Granted Sep 12, 1989·33 cites·19 claims
- 1265US7439379B2Transition metal complex, catalyst for olefin polymerization, and process for producing olefin polymer with the sameSUMITOMO CHEMICAL CO·Filed 2002·Granted Oct 21, 2008·4 cites·16 claims
- 1362US3978831AControl device for a vacuum advancerTOYOTA MOTOR CO LTD·Filed 1973·Granted Sep 7, 1976·15 cites·5 claims
- 1462US2025053030A1Electro-optic film, compound, electro-optic composition, and electro-optic elementSUMITOMO CHEMICAL CO·Filed 2022·Application pending·0 cites
- 1559US9212049B2SOI wafer, manufacturing method therefor, and MEMS deviceYOSHIKAWA EIJI·Filed 2013·Granted Dec 15, 2015·1 cites·12 claims
- 1659US7671226B2Transition metal complex, catalyst for olefin polymerization, and process for producing olefin polymer with the sameSUMITOMO CHEMICAL CO·Filed 2008·Granted Mar 2, 2010·0 cites·18 claims
- 1755US2011166362A1Novel compound and organic semiconductor materialSUMITOMO CHEMICAL CO·Filed 2009·Application pending·0 cites
- 1854US12305104B2Azo compound, composition, film, laminate, and display deviceSUMITOMO CHEMICAL CO·Filed 2021·Granted May 20, 2025·0 cites·9 claims
- 1952US7241927B2Transition metal complexes, ligands, catalysts for olefin polymerization, and process for production of olefin polymersSUMITOMO CHEMICAL CO·Filed 2006·Granted Jul 10, 2007·0 cites·2 claims
- 2051US9266715B2SOI wafer, manufacturing method therefor, and MEMS deviceYOSHIKAWA EIJI·Filed 2014·Granted Feb 23, 2016·0 cites·8 claims
- 2149US10589981B2Semiconductor pressure sensorMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Mar 17, 2020·0 cites·5 claims
- 2248US12061130B2Manufacturing method of a semiconductor pressure sensor having first silicon and second silicon substrates including an oxide filmMITSUBISHI ELECTRIC CORP·Filed 2019·Granted Aug 13, 2024·0 cites·1 claims
- 2348US10663366B2Semiconductor pressure sensorMITSUBISHI ELECTRIC CORP·Filed 2018·Granted May 26, 2020·0 cites·10 claims
- 2448US10096785B2Tetracenothiophene derivatives with alkoxy-c-alkyne solubilising units and their applications as organic semiconductorsCAMBRIDGE DISPLAY TECH LTD·Filed 2016·Granted Oct 9, 2018·0 cites·15 claims
- 2547US6584840B2Angular velocity sensorMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Jul 1, 2003·5 cites·6 claims
- 2646US2023301185A1Compound and photoelectric conversion element using sameSUMITOMO CHEMICAL CO·Filed 2021·Application pending·0 cites
- 2744US10906800B2Semiconductor pressure sensorMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Feb 2, 2021·0 cites·37 claims
- 2844US4038819AThrottle openerTOYOTA MOTOR CO LTD·Filed 1974·Granted Aug 2, 1977·7 cites·3 claims
- 2944US2024141199A1Chemical compound, electrooptic composition, electrooptic film, and electrooptic elementSUMITOMO CHEMICAL CO·Filed 2021·Application pending·0 cites
- 3041US7141690B2Transition metal complexes, ligands, polymerization catalysts for olefins, and process for production of olefin polymersSUMITOMO CHEMICAL CO·Filed 2003·Granted Nov 28, 2006·4 cites·18 claims
- 3139US8710600B2Semiconductor pressure sensorYOSHIKAWA EIJI·Filed 2010·Granted Apr 29, 2014·0 cites·8 claims
- 3239US2017186958A1Polymer compound and organic semiconductor device using the sameSUMITOMO CHEMICAL CO·Filed 2015·Application pending·0 cites
- 3338US2012190868A1Substituted benzochalcogenoacene compound, thin film comprising the compound, and organic semiconductor device including the thin filmMIYATA YASUO·Filed 2010·Application pending·0 cites
- 3436US2019250509A1Photosensitive composition and organic thin-film transistorSUMITOMO CHEMICAL CO·Filed 2019·Application pending·0 cites
- 3535US2004025591A1Accleration sensorFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →