Inventor · disambiguated record
Yasuhiro Ishikawa
Also filed as: ISHIKAWA YASUHIRO
84 granted patents·20 pending applications·528 citations·filing 1982–2025
99Inventor score
Files withIDEMITSU KOSAN CO48YOKOHAMA RUBBER CO LTD8ISHIKAWA YASUHIRO6IHI CORP5KYOWA HAKKO KOGYO KK4
Top patents by PatentIndex Score
104 records- 0196US12241405B2Internal combustion engine and cylinder blockISUZU MOTORS LTD·Filed 2024·Granted Mar 4, 2025·2 cites·4 claims
- 0296US8981017B2Polycarbonate-polyorganosiloxane copolymer, process for production of the copolymer, and polycarbonate resin containing the copolymerISHIKAWA YASUHIRO·Filed 2010·Granted Mar 17, 2015·23 cites·11 claims
- 0394US9080021B2Polycarbonate-polyorganosiloxane copolymer and method for producing sameIDEMITSU KOSAN CO·Filed 2012·Granted Jul 14, 2015·19 cites·7 claims
- 0491US9081214B2Optical control elementOIKAWA SATOSHI·Filed 2010·Granted Jul 14, 2015·9 cites·5 claims
- 0590US9359473B2Method for continuous production of polycarbonate-polyorganosiloxane copolymerIDEMITSU KOSAN CO·Filed 2013·Granted Jun 7, 2016·7 cites·11 claims
- 0690US6254889B1Solid dispersion dosage form of amorphous xanthine derivative and enteric-coating polymerKYOWA HAKKO KOGYO KK·Filed 1996·Granted Jul 3, 2001·63 cites·4 claims
- 0789US11186714B2Polycarbonate resin composition and molded product thereofIDEMITSU KOSAN CO·Filed 2018·Granted Nov 30, 2021·3 cites·24 claims
- 0887US10975224B2Polycarbonate resin composition and molded body of sameIDEMITSU KOSAN CO·Filed 2016·Granted Apr 13, 2021·3 cites·17 claims
- 0986US11072703B2Polycarbonate-based resin composition and molded product thereofIDEMITSU KOSAN CO·Filed 2018·Granted Jul 27, 2021·2 cites·24 claims
- 1086US10550229B2Polycarbonate resin composition and molded article thereofIDEMITSU KOSAN CO·Filed 2016·Granted Feb 4, 2020·2 cites·21 claims
- 1186US7362924B2Optical modulatorSUMITOMO OSAKA CEMENT CO LTD·Filed 2006·Granted Apr 22, 2008·9 cites·14 claims
- 1286US6332790B1Card connectorUNION MACHINERY CO LTD·Filed 2000·Granted Dec 25, 2001·49 cites·6 claims
- 1383US11655326B2Molded body containing polycarbonate-polyorganosiloxane copolymerIDEMITSU KOSAN CO·Filed 2018·Granted May 23, 2023·2 cites·9 claims
- 1483US8492485B2Polycarbonate resin composition for sliding use and molded article using the resin compositionISHIKAWA YASUHIRO·Filed 2009·Granted Jul 23, 2013·5 cites·8 claims
- 1583US6987141B2Polycarbonate resin compositionIDEMITSU KOSAN CO·Filed 2001·Granted Jan 17, 2006·21 cites·10 claims
- 1682US8380015B2Optical control deviceSUMITOMO OSAKA CEMENT CO LTD·Filed 2010·Granted Feb 19, 2013·4 cites·10 claims
- 1782US2025354010A1Molded body including polycarbonate-based resin compositionIDEMITSU KOSAN CO·Filed 2025·Application pending·0 cites
- 1880US10189942B2Polyorganosiloxane, polycarbonate-polyorganosiloxane copolymer, and production method thereforIDEMITSU KOSAN CO·Filed 2014·Granted Jan 29, 2019·2 cites·5 claims
- 1980US8923658B2Optical waveguide deviceISHIKAWA YASUHIRO·Filed 2011·Granted Dec 30, 2014·5 cites·7 claims
- 2078US9081139B2Optical waveguide deviceOKAMURA MIKI·Filed 2010·Granted Jul 14, 2015·8 cites·12 claims
- 2178USD622375SPortion of an infusion solution bagOTSUKA PHARMA CO LTD·Filed 2008·Granted Aug 24, 2010·23 cites·1 claims
- 2275US9499694B2Polycarbonate resin composition and molded articleIDEMITSU KOSAN CO·Filed 2013·Granted Nov 22, 2016·2 cites·14 claims
- 2374US7541419B2Branched polycarbonate resin and process for production thereofIDEMITSU KOSAN CO·Filed 2005·Granted Jun 2, 2009·2 cites·9 claims
- 2474US5500482ARubber composition for tire treadYOKOHAMA RUBBER CO LTD·Filed 1994·Granted Mar 19, 1996·19 cites·4 claims
- 2574US4748168ARubber compositions for tire treadsYOKOHAMA RUBBER CO LTD·Filed 1987·Granted May 31, 1988·27 cites·5 claims
- 2673US10934392B2Polyorganosiloxane, polycarbonate-polyorganosiloxane copolymer, and production method thereforIDEMITSU KOSAN CO·Filed 2018·Granted Mar 2, 2021·0 cites·4 claims
- 2773US7514522B2Method for producing polycarbonate copolymerIDEMITSU KOSAN CO·Filed 2005·Granted Apr 7, 2009·2 cites·10 claims
- 2871US8845611B2Multi-chamber bagTSURUOKA TATSURO·Filed 2008·Granted Sep 30, 2014·6 cites·6 claims
- 2971US8795824B2Light diffusing resin composition and light diffusing plate using the sameISHIKAWA YASUHIRO·Filed 2007·Granted Aug 5, 2014·2 cites·18 claims
- 3070US2025145819A1Polycarbonate-based resin compositionIDEMITSU KOSAN CO·Filed 2023·Application pending·0 cites
- 3169US11988219B2Sealing device and integrated pumpIHI CORP·Filed 2019·Granted May 21, 2024·1 cites·5 claims
- 3269US9045586B2Continuous production method for polycarbonate-polyorganosiloxane copolymerIDEMITSU KOSAN CO·Filed 2012·Granted Jun 2, 2015·1 cites·5 claims
- 3368US7678875B2Method for producing polycarbonate copolymer and polycarbonate copolymerIDEMITSU KOSAN CO·Filed 2005·Granted Mar 16, 2010·1 cites·7 claims
- 3468US5062809AHigh-frequency connector and method of manufacturing thereofAMP INC·Filed 1991·Granted Nov 5, 1991·29 cites·8 claims
- 3567US12428557B2Molded body including polycarbonate-based resin compositionIDEMITSU KOSAN CO·Filed 2020·Granted Sep 30, 2025·0 cites·9 claims
- 3667US2025368777A1Polycarbonate-polyorganosiloxane copolymerIDEMITSU KOSAN CO·Filed 2023·Application pending·0 cites
- 3766USD623734SPortion of an infusion solution bagOTSUKA PHARMA CO LTD·Filed 2008·Granted Sep 14, 2010·14 cites·1 claims
- 3865US7553893B2Polycarbonate resin composition and optical partIDEMITSU KOSAN CO·Filed 2004·Granted Jun 30, 2009·6 cites·16 claims
- 3963US10072611B2Gas generatorIHI CORP·Filed 2016·Granted Sep 11, 2018·1 cites·5 claims
- 4063US5772352ABall joint having extended service lifeTOYOTA MOTOR CO LTD·Filed 1996·Granted Jun 30, 1998·29 cites·11 claims
- 4163US4518733ARubber compositions comprising (1) polyisoprene (2) cobalt salt of rosin (3) carbon black and (4) sulphurYOKOHAMA RUBBER CO LTD·Filed 1984·Granted May 21, 1985·12 cites·4 claims
- 4262US9850351B2Polycarbonate-polyorganosiloxane copolymer and method for continuously producing sameIDEMITSU KOSAN CO·Filed 2016·Granted Dec 26, 2017·0 cites·6 claims
- 4361US11073243B2Low-temperature tank and method for manufacturing sameIHI CORP·Filed 2019·Granted Jul 27, 2021·0 cites·12 claims
- 4460US9371419B2Polycarbonate-polyorganosiloxane copolymer and method for continuously producing sameIDEMITSU KOSAN CO·Filed 2013·Granted Jun 21, 2016·0 cites·7 claims
- 4560US6932130B2Tire wheel assemblyYOKOHAMA RUBBER CO LTD·Filed 2004·Granted Aug 23, 2005·4 cites·4 claims
- 4659US2024359692A1Illuminance estimation deviceTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 4758US11143279B2Transmission, and manufacturing method for sameJATCO LTD·Filed 2019·Granted Oct 12, 2021·0 cites·5 claims
- 4858US7767780B2Light-diffusing polycarbonate resin composition and light diffuser plate comprising the resin compositionIDEMITSU KOSAN CO·Filed 2006·Granted Aug 3, 2010·1 cites·13 claims
- 4958US6316071B1Substrate for digital versatile disk and process for producing the sameIDEMITSU PETROCHEMICAL CO·Filed 1999·Granted Nov 13, 2001·13 cites·8 claims
- 5058US2023116659A1Polycarbonate-polyorganosiloxane copolymerIDEMITSU KOSAN CO·Filed 2020·Application pending·0 cites
Showing the top 50 of 104 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →