KT

Kazuhiko Tokunaga

SO Sony: 10 patents #4,411 of 25,231Top 20%
KI Kurita Water Industries: 3 patents #43 of 384Top 15%
MC Mitsubishi Chemical: 1 patents #1,511 of 3,022Top 50%
Overall (All Time): #383,638 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
9054197 Thin-film transistor, display unit, and electronic apparatus Toshiaki Arai 2015-06-09
8846773 Method 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 material Takeo Fukui, Tetsuo Mizuniwa, Masako Yasutomi 2014-09-30
8765825 Method 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 material Takeo Fukui, Tetsuo Mizuniwa, Masako Yasutomi 2014-07-01
8673661 Display apparatus and method of manufacturing the same 2014-03-18
8497504 Thin film transistor and display unit Toshiaki Arai, Narihiro Morosawa, Hiroshi Sagawa, Kiwamu Miura 2013-07-30
8476324 Method 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 material Takeo Fukui, Tetsuo Mizuniwa, Masako Yasutomi 2013-07-02
8319226 Thin film transistor and display device 2012-11-27
8309956 Thin film transistor, display unit, and method of manufacturing thin film transistor Toshiaki Arai, Narihiro Morosawa 2012-11-13
8269217 Display unit with thin film transistor having through holes in source/drain electrode Toshiaki Arai, Narihiro Morosawa, Hiroshi Sagawa, Kiwamu Miura 2012-09-18
6797323 Method of forming silicon oxide layer Akihide Kashiwagi, Toshihiko Suzuki, Hideki Kimura, Toyotaka Kataoka, Atsushi Suzuki +1 more 2004-09-28
5854505 Process for forming silicon oxide film and gate oxide film for MOS transistors Atsushi Suzuki, Akihide Kashiwagi, Toshihiko Suzuki 1998-12-29
5736462 Method of etching back layer on substrate Hiroshi Takahashi, Shunichi Yoshigoe 1998-04-07
5506178 Process for forming gate silicon oxide film for MOS transistors Atsushi Suzuki, Akihide Kashiwagi, Toshihiko Suzuki 1996-04-09