YK

Yoshito Kawakyu

KT Kabushiki Kaisha Toshiba: 9 patents #3,402 of 21,451Top 20%
TO Toshiba: 1 patents #1,121 of 2,688Top 45%
Overall (All Time): #525,542 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6255199 Method of producing polycrystalline silicon Hiroshi Mitsuhashi 2001-07-03
5970368 Method for manufacturing polycrystal semiconductor film Hideyuki Sasaki, Michihiro Oose, Isao Suzuki, Shiro Takeno, Mitsuhiro Tomita +2 more 1999-10-19
5763904 Non-single crystal semiconductor apparatus thin film transistor and liquid crystal display apparatus Mitsuo Nakajima, Yasumasa Gotou 1998-06-09
5710606 LCD TFT having two layer region adjacent base region in which the layers have opposite conductivities and have two density gradients Mitsuo Nakajima 1998-01-20
5585647 Integrated circuit device having an insulating substrate, and a liquid crystal display device having an insulating substrate Mitsuo Nakajima, Mitsuaki Suzuki, Takaaki Kamimura 1996-12-17
5300185 Method of manufacturing III-V group compound semiconductor Hisao Hori, Hironori Ishikawa, Masao Mashita 1994-04-05
5253262 Semiconductor laser device with multi-directional reflector arranged therein Atsushi Kurobe, Tsutomu Tezuka, Tetsuo Sadamasa, Mitsuhiro Kushibe 1993-10-12
5229319 Method for producing compound semiconductors and apparatus therefor Hironori Ishikawa, Masahiro Sasaki, Masao Mashita 1993-07-20
5213654 Vapor-phase epitaxial growth method for semiconductor crystal layers Masahiro Sasaki, Hironori Ishikawa, Masao Mashita 1993-05-25
4594528 Thin film electroluminescence device and method of manufacturing the same Toyoki Higuchi, Hiroshi Ito 1986-06-10