Inventor · disambiguated record
Kei Obata
Also filed as: OBATA KEI
25 granted patents·2 pending applications·78 citations·filing 1996–2015
94Inventor score
Top patents by PatentIndex Score
27 records- 0191US8383212B2Alignment film and method of manufacturing the same, phase difference device and method of manufacturing the same, and display unitSONY CORP·Filed 2010·Granted Feb 26, 2013·18 cites·16 claims
- 0290US7969541B2Retardation film, method of manufacturing the same, and displaySONY CORP·Filed 2009·Granted Jun 28, 2011·13 cites·28 claims
- 0388US7918571B2Light-transmitting film, method of forming light-transmitting film, and liquid crystal displaySONY CORP·Filed 2010·Granted Apr 5, 2011·5 cites·20 claims
- 0484US7712908B2Light-transmitting film, method of forming light-transmitting film, and liquid crystal displaySONY CORP·Filed 2006·Granted May 11, 2010·11 cites·11 claims
- 0578US7545460B2Liquid crystal display, optical sheet manufacturing method, and optical sheetSONY CORP·Filed 2006·Granted Jun 9, 2009·6 cites·25 claims
- 0676US7980712B2Light-transmissive film, method for manufacturing the same, and display apparatusSONY CORP·Filed 2008·Granted Jul 19, 2011·4 cites·20 claims
- 0772US8558970B2Display unitOBATA KEI·Filed 2008·Granted Oct 15, 2013·4 cites·25 claims
- 0871US9259906B2Optical laminated body, method of manufacturing the same, and display unitOBATA KEI·Filed 2012·Granted Feb 16, 2016·2 cites·6 claims
- 0971US8721933B2Optical sheet manufacture method and optical sheetMIZUNO HIROSHI·Filed 2008·Granted May 13, 2014·1 cites·17 claims
- 1067US8334950B2Illumination apparatus and liquid crystal display apparatusHOSHI MITSUNARI·Filed 2008·Granted Dec 18, 2012·4 cites·16 claims
- 1166US9670329B2Cyclic olefin resin composition filmDEXERIALS CORP·Filed 2014·Granted Jun 6, 2017·0 cites·8 claims
- 1266US7804554B2Surface emitting device and liquid crystal displaySONY CORP·Filed 2006·Granted Sep 28, 2010·2 cites·5 claims
- 1365US8467130B2Retardation film, method of producing the same and display deviceKURIYAMA AKITO·Filed 2011·Granted Jun 18, 2013·1 cites·8 claims
- 1460US7864267B2Optical sheet and display unitSONY CORP·Filed 2008·Granted Jan 4, 2011·1 cites·8 claims
- 1560US7695167B2Optical sheet, backlight and liquid crystal display apparatusSONY CORP·Filed 2005·Granted Apr 13, 2010·1 cites·17 claims
- 1660US7483094B2Optical sheet, backlight and liquid crystal display apparatusSONY CORP·Filed 2005·Granted Jan 27, 2009·2 cites·35 claims
- 1755US9921347B2Alignment film, method of manufacturing the alignment film, retardation film, method of manufacturing the retardation film, and displayKURIYAMA AKITO·Filed 2011·Granted Mar 20, 2018·1 cites·10 claims
- 1851US7719631B2Optical sheet, backlight and liquid crystal display apparatusSONY CORP·Filed 2008·Granted May 18, 2010·0 cites·5 claims
- 1949US11091623B2Cyclic olefin-based resin composition filmDEXERIALS CORP·Filed 2015·Granted Aug 17, 2021·0 cites·20 claims
- 2049US8237886B2Optical sheet, method of manufacturing the same, and display apparatusOBATA KEI·Filed 2008·Granted Aug 7, 2012·0 cites·7 claims
- 2148US8400578B2Optical film, method of manufacturing the same, and display unitOBATA KEI·Filed 2009·Granted Mar 19, 2013·0 cites·6 claims
- 2245US8013950B2Optical sheet combination structure, surface emitting device, and liquid crystal deviceSONY CORP·Filed 2008·Granted Sep 6, 2011·0 cites·14 claims
- 2340US2017145174A1Cyclic olefin resin composition filmDEXERIALS CORP·Filed 2015·Application pending·0 cites
- 2440US2017152360A1Cyclic olefin resin composition filmDEXERIALS CORP·Filed 2015·Application pending·0 cites
- 2530US6066593AThermal transfer sheetSONY CORP·Filed 1998·Granted May 23, 2000·1 cites·6 claims
- 2629US5728647Ainksheet for thermal transfer printingSONY CORP·Filed 1996·Granted Mar 17, 1998·1 cites·12 claims
- 2726US5981430AThermal printing sheetSONY CORP·Filed 1998·Granted Nov 9, 1999·0 cites·11 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →