Inventor · disambiguated record
Kazuhiko Tokunaga
Also filed as: TOKUNAGA KAZUHIKO
13 granted patents·3 pending applications·212 citations·filing 1993–2014
92Inventor score
Top patents by PatentIndex Score
16 records- 0195US8269217B2Display unit with thin film transistor having through holes in source/drain electrodeARAI TOSHIAKI·Filed 2010·Granted Sep 18, 2012·26 cites·8 claims
- 0291US8497504B2Thin film transistor and display unitARAI TOSHIAKI·Filed 2011·Granted Jul 30, 2013·12 cites·10 claims
- 0388US8309956B2Thin film transistor, display unit, and method of manufacturing thin film transistorARAI TOSHIAKI·Filed 2009·Granted Nov 13, 2012·16 cites·13 claims
- 0485US8319226B2Thin film transistor and display deviceTOKUNAGA KAZUHIKO·Filed 2009·Granted Nov 27, 2012·13 cites·9 claims
- 0577US9054197B2Thin-film transistor, display unit, and electronic apparatusSONY CORP·Filed 2013·Granted Jun 9, 2015·4 cites·15 claims
- 0675US8846773B2Method for manufacturing anion exchange resin, anion exchange resin, method for manufacturing cation exchange resin, cation exchange resin, mixed bed resin, and method for manufacturing ultrapure water for washing electronic component materialFUKUI TAKEO·Filed 2012·Granted Sep 30, 2014·2 cites·9 claims
- 0775US5736462AMethod of etching back layer on substrateSONY CORP·Filed 1996·Granted Apr 7, 1998·53 cites·15 claims
- 0874US6797323B1Method of forming silicon oxide layerSONY CORP·Filed 1997·Granted Sep 28, 2004·43 cites·75 claims
- 0970US8765825B2Method for manufacturing anion exchange resin, anion exchange resin, method for manufacturing cation exchange resin, cation exchange resin, mixed bed resin, and method for manufacturing ultrapure water for washing electronic component materialFUKUI TAKEO·Filed 2012·Granted Jul 1, 2014·1 cites·10 claims
- 1070US5506178AProcess for forming gate silicon oxide film for MOS transistorsSONY CORP·Filed 1993·Granted Apr 9, 1996·29 cites·12 claims
- 1154US8476324B2Method for manufacturing anion exchange resin, anion exchange resin, method for manufacturing cation exchange resin, cation exchange resin, mixed bed resin, and method for manufacturing ultrapure water for washing electronic component materialFUKUI TAKEO·Filed 2008·Granted Jul 2, 2013·0 cites·8 claims
- 1253US2015108477A1Thin film transistor with protective film having oxygen transmission and disturbance films and method of manufacturing sameSONY CORP·Filed 2014·Application pending·0 cites
- 1352US5854505AProcess for forming silicon oxide film and gate oxide film for MOS transistorsSONY CORP·Filed 1997·Granted Dec 29, 1998·13 cites·6 claims
- 1452US2010065844A1Thin film transistor and method of manufacturing thin film transistorSONY CORP·Filed 2009·Application pending·0 cites
- 1543US2012267625A1Thin film transistor and display deviceTOKUNAGA KAZUHIKO·Filed 2012·Application pending·0 cites
- 1636US8673661B2Display apparatus and method of manufacturing the sameTOKUNAGA KAZUHIKO·Filed 2012·Granted Mar 18, 2014·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →