Inventor · disambiguated record
Yoshiharu Hirai
Also filed as: HIRAI YOSHIHARU
21 granted patents·7 pending applications·120 citations·filing 1984–2018
94Inventor score
Top patents by PatentIndex Score
28 records- 0191US7476423B2Polymerizable liquid crystal compositionCHISSO CORP·Filed 2007·Granted Jan 13, 2009·18 cites·18 claims
- 0289US7488519B2Polymerizable liquid crystal compositionCHISSO CORP·Filed 2008·Granted Feb 10, 2009·12 cites·23 claims
- 0388US9505980B2Polymerizable liquid crystal composition and optically anisotropic substance having twist alignmentJNC CORP·Filed 2014·Granted Nov 29, 2016·9 cites·12 claims
- 0482US8425988B2Polymerizable liquid crystal compound, polymerizable liquid crystal composition and anisotropic polymerHIRAI YOSHIHARU·Filed 2010·Granted Apr 23, 2013·5 cites·32 claims
- 0580US9080100B2Polymerizable liquid crystal compositionJNC CORP·Filed 2013·Granted Jul 14, 2015·4 cites·14 claims
- 0679US7425354B2Photopolymerizable liquid crystal composition, its polymer or polymer composition, and optical compensation elementCHISSO CORP·Filed 2004·Granted Sep 16, 2008·24 cites·30 claims
- 0778US8419972B2Polymerizable liquid crystal compositionHIRAI YOSHIHARU·Filed 2009·Granted Apr 16, 2013·5 cites·31 claims
- 0876US9399736B2Optically anisotropic substance and liquid crystal displayJNC CORP·Filed 2014·Granted Jul 26, 2016·3 cites·8 claims
- 0976US8246855B2Polymerizable liquid crystal composition and optically anisotropic film using the sameHIRAI YOSHIHARU·Filed 2009·Granted Aug 21, 2012·6 cites·24 claims
- 1075US7588806B2Homeotropically aligned liquid crystal film and process for producing the sameCHISSO CORP·Filed 2006·Granted Sep 15, 2009·4 cites·36 claims
- 1169US7597945B2Polymerizable liquid crystal composition containing fluorine-substituted (meth) acrylate derivativesCHISSO CORP·Filed 2005·Granted Oct 6, 2009·3 cites·20 claims
- 1267US10059880B2Polymerizable liquid crystal composition and optical anisotropic filmJNC CORP·Filed 2014·Granted Aug 28, 2018·1 cites·19 claims
- 1363US8048496B2Polymerizable liquid crystal compound, liquid crystal composition and polymerJNC CORP·Filed 2009·Granted Nov 1, 2011·2 cites·26 claims
- 1463US7410677B2Organosilicon compound-containing polymerizable liquid-crystal compositionCHISSO CORP·Filed 2004·Granted Aug 12, 2008·7 cites·44 claims
- 1561US8419973B2Polymerizable liquid crystal composition and homeotropically-aligned liquid crystal filmHIRAI YOSHIHARU·Filed 2009·Granted Apr 16, 2013·1 cites·18 claims
- 1659US9315728B2Polymerizable liquid crystal composition and homogeneous-aligned liquid crystal filmHIRAI YOSHIHARU·Filed 2009·Granted Apr 19, 2016·2 cites·17 claims
- 1756US4758106ABidirectional printer with voltage compensatorBROTHER IND LTD·Filed 1987·Granted Jul 19, 1988·10 cites·3 claims
- 1852US2012274888A1Optically anisotropic substanceHIRAI YOSHIHARU·Filed 2012·Application pending·0 cites
- 1950US2016011349A1Infrared reflecting film and laminated filmJNC CORP·Filed 2014·Application pending·0 cites
- 2049US2010297367A1Optically anisotropic substanceCHISSO CORP·Filed 2010·Application pending·0 cites
- 2147US10982146B2Liquid crystal composition, liquid crystal element, and use of liquid crystal composition in liquid crystal elementJNC CORP·Filed 2018·Granted Apr 20, 2021·0 cites·31 claims
- 2245US2021071079A1Liquid crystal display element and liquid crystal compositionJNC CORP·Filed 2018·Application pending·0 cites
- 2344US2020231873A1Liquid crystal display element and liquid crystal compositionJNC CORP·Filed 2018·Application pending·0 cites
- 2442US4647238APrinter with a control for feeding disposable ribbon with minimum waste lengthBROTHER IND LTD·Filed 1984·Granted Mar 3, 1987·4 cites·10 claims
- 2540US8460577B2Polymerizable oxetane derivativeTANABE MAYUMI·Filed 2010·Granted Jun 11, 2013·0 cites·11 claims
- 2640US2014049738A1Three-dimensional image display apparatusJNC PETROCHEMICAL CORP·Filed 2013·Application pending·0 cites
- 2738US2020190016A1Polymerizable polar compound, liquid crystal composition and liquid crystal display deviceJNC CORP·Filed 2018·Application pending·0 cites
- 2837US9057018B2Polymerizable liquid crystal compound, polymerizable liquid crystal composition, and polymer thereofHIRAI YOSHIHARU·Filed 2010·Granted Jun 16, 2015·0 cites·32 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →