Inventor · disambiguated record
Yasuhiro Koike
Also filed as: KOIKE YASUHIRO · WIJMANS JOHANNES G
106 granted patents·32 pending applications·3,209 citations·filing 1983–2025
99Inventor score
Top patents by PatentIndex Score
138 records- 0196US8828121B1Gas separation membranes based on perfluorinated polymersHE ZHENJIE·Filed 2014·Granted Sep 9, 2014·58 cites·16 claims
- 0296US6222689B1Surface light source device and asymmetrical prism sheetENPLAS CORP·Filed 1998·Granted Apr 24, 2001·213 cites·21 claims
- 0396US5982540ASurface light source device with polarization functionENPLAS CORP·Filed 1995·Granted Nov 9, 1999·157 cites·17 claims
- 0496US5899552ASurface light source deviceENPLAS CORP·Filed 1997·Granted May 4, 1999·159 cites·16 claims
- 0595US7583901B2Illuminative light communication deviceNAKAGAWA LAB INC·Filed 2003·Granted Sep 1, 2009·397 cites·8 claims
- 0694US5659410ASurface light source device and liquid crystal displayENPLAS CORP·Filed 1994·Granted Aug 19, 1997·134 cites·20 claims
- 0793US10022677B2Gas separation membranes based on perfluorinated polymersMEMBRANE TECH AND RESEARCH INC·Filed 2016·Granted Jul 17, 2018·5 cites·21 claims
- 0893US8102670B2Circuit device and method of manufacturing the sameSAKAMOTO HIDEYUKI·Filed 2008·Granted Jan 24, 2012·34 cites·8 claims
- 0993US5542017ALight scattering light guide and applied optical apparatusesFiled 1992·Granted Jul 30, 1996·92 cites·18 claims
- 1092US9403120B2Gas separation membranes based on perfluorinated polymersMEMBRANE TECH AND RES INC·Filed 2014·Granted Aug 2, 2016·10 cites·12 claims
- 1192US8107255B2Circuit device and method of manufacturing the sameSAKAMOTO HIDEYUKI·Filed 2008·Granted Jan 31, 2012·28 cites·4 claims
- 1292US7754901B2Method for producing fluorinated compounds and polymersJAPAN SCIENCE & TECH AGENCY·Filed 2009·Granted Jul 13, 2010·9 cites·3 claims
- 1392US7751194B2Circuit device, circuit module, and outdoor unitSANYO ELECTRIC CO·Filed 2008·Granted Jul 6, 2010·28 cites·9 claims
- 1492US6172809B1Surface light source device with polarization functionENPLAS CORP·Filed 1998·Granted Jan 9, 2001·102 cites·7 claims
- 1592US6037745ABattery charger with monitor and protection circuitsTOYODA AUTOMATIC LOOM WORKS·Filed 1998·Granted Mar 14, 2000·177 cites·18 claims
- 1692US5548670ALight-scattering light-guiding deviceFiled 1993·Granted Aug 20, 1996·113 cites·2 claims
- 1790US10054816B2Method for improving visibility of liquid crystal display device, and liquid crystal display device using sameKOIKE YASUHIRO·Filed 2010·Granted Aug 21, 2018·14 cites·4 claims
- 1890US8169784B2Circuit moduleSAKAMOTO HIDEYUKI·Filed 2008·Granted May 1, 2012·22 cites·5 claims
- 1989US9643124B2Gas separation membranes based on fluorinated and perfluorinated polymersZHANG HAO·Filed 2015·Granted May 9, 2017·4 cites·16 claims
- 2088US10890704B2Display device and method for selecting optical film of display deviceDAINIPPON PRINTING CO LTD·Filed 2017·Granted Jan 12, 2021·5 cites·13 claims
- 2188US10677975B2Display device, and method for selecting optical film for display deviceDAINIPPON PRINTING CO LTD·Filed 2017·Granted Jun 9, 2020·3 cites·9 claims
- 2287US8168808B2Fluorinated 1,3-dioxolane compounds, fluorinated polymers of the compounds, and optical or electrical materials comprising the polymersOKAMOTO YOSHIYUKI·Filed 2009·Granted May 1, 2012·6 cites·5 claims
- 2387US8102655B2Circuit deviceSAKAMOTO HIDEYUKI·Filed 2010·Granted Jan 24, 2012·8 cites·7 claims
- 2487US7782628B2Circuit deviceSANYO ELECTRIC CO·Filed 2008·Granted Aug 24, 2010·14 cites·3 claims
- 2587US5914759ASurface light source device, liquid crystal display and asymmetric prism sheetNITTO JUSHI KOGYO KABUSHIKI KA·Filed 1997·Granted Jun 22, 1999·88 cites·24 claims
- 2687US5760139AGraded-refractive-index optical plastic material and method for its productionKOIKE YASUHIRO·Filed 1996·Granted Jun 2, 1998·60 cites·5 claims
- 2785US6586515B1non-birefringent optical resin materialFiled 2000·Granted Jul 1, 2003·29 cites·31 claims
- 2885US6322225B1Light scattering guiding light source device and liquid crystal displayENPLAS CORP·Filed 1996·Granted Nov 27, 2001·74 cites·2 claims
- 2985US6290364B1Surface light source deviceENPLAS CORP·Filed 1998·Granted Sep 18, 2001·67 cites·4 claims
- 3085US5593621AMethod of manufacturing plastic optical transmission mediumFiled 1993·Granted Jan 14, 1997·46 cites·20 claims
- 3185US5528709ACorner supply type plane light source deviceENPLAS CORP·Filed 1995·Granted Jun 18, 1996·85 cites·6 claims
- 3284US9261640B2Liquid crystal display apparatusUNIV KEIO·Filed 2013·Granted Feb 16, 2016·7 cites·5 claims
- 3384US5887964ASurface light source device and liquid crystal displayNITTO JUSHI KOGYO KABUSHIKI KA·Filed 1996·Granted Mar 30, 1999·83 cites·8 claims
- 3484US5541247AOptical resin materials with distributed refractive index, process for producing the materials, and optical conductors using the materialsFiled 1992·Granted Jul 30, 1996·49 cites·6 claims
- 3582US5944298AEngine-mounting bracketSUZUKI MOTOR CO·Filed 1997·Granted Aug 31, 1999·55 cites·4 claims
- 3681US12392957B2Integrally molded multi-optical transmission sheet, integrally molded multi-optical transmission sheet connector and method for manufacturing the sameKOIKE YASUHIRO·Filed 2023·Granted Aug 19, 2025·0 cites·14 claims
- 3781US12242103B2Batch-molding multi optical transmission sheet assembly, connection structure, optical module, active optical cable, and manufacturing method thereofYASUHIRO KOIKE·Filed 2020·Granted Mar 4, 2025·1 cites·17 claims
- 3881US7609498B2Inverted circuit overcurrent protection device and hybrid integrated circuit device with the same incorporatedSANYO ELECTRIC CO·Filed 2006·Granted Oct 27, 2009·10 cites·8 claims
- 3981US6590036B2Graded-refractive-index optical plastic material and method for its productionKOIKE YASUHIRO·Filed 2001·Granted Jul 8, 2003·13 cites·8 claims
- 4081US6217184B1Light source device with uniformity in color temperature of emissionENPLAS CORP·Filed 1998·Granted Apr 17, 2001·58 cites·4 claims
- 4181US5993020ALight scattering and guiding light source device and liquid crystal displayNITTO JUSHI KOGYO KABUSHIKI KA·Filed 1997·Granted Nov 30, 1999·58 cites·8 claims
- 4280US10948764B2Method for improving visibility of liquid crystal display device, and liquid crystal display device using the sameUNIV KEIO·Filed 2018·Granted Mar 16, 2021·1 cites·8 claims
- 4380US9261731B2Liquid crystal display apparatusUNIV KEIO·Filed 2013·Granted Feb 16, 2016·5 cites·9 claims
- 4480US7635780B2Method for producing fluorinated 1,3-dioxolane compounds, fluorinated 1, 3-dioxolane compounds, fluorinated polymers of the fluorinated 1,3-dioxolane compounds and optical or electrical materials using the polymersJAPAN SCIENCE & TECH AGENCY·Filed 2004·Granted Dec 22, 2009·9 cites·3 claims
- 4580US5966192ASurface light source device and a liquid crystal displayNITTO JUSHI KOGYO KABUSHIKI KA·Filed 1996·Granted Oct 12, 1999·65 cites·9 claims
- 4680US5783636AGraded-refractive-index optical plastic material and method for its productionYASUHIRO KOIKE·Filed 1995·Granted Jul 21, 1998·40 cites·15 claims
- 4779US8787037B2Electronic deviceSAKODA SHIMPEI·Filed 2011·Granted Jul 22, 2014·4 cites·5 claims
- 4878US2024053529A1Integrally molded multi-optical transmission sheet, integrally molded multi-optical transmission sheet connector and method for manufacturing the sameKOIKE YASUHIRO·Filed 2023·Application pending·0 cites
- 4977US8686823B2Electronic unitASANO HIROAKI·Filed 2012·Granted Apr 1, 2014·5 cites·8 claims
- 5077US6593415B2Graded-refractive-index optical plastic material and method for its productionKOIKE YASUHIRO·Filed 2002·Granted Jul 15, 2003·13 cites·3 claims
Showing the top 50 of 138 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →