YH

Yoshihiko Hirai

NE Nec: 37 patents #158 of 14,502Top 2%
Sumitomo Electric Industries: 21 patents #970 of 21,551Top 5%
NT Nec Lcd Technologies: 6 patents #57 of 305Top 20%
SC Shin-Etsu Chemical Co.: 3 patents #839 of 2,176Top 40%
NC Nippon Electric Co.: 1 patents #251 of 792Top 35%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #31,283 of 4,157,543Top 1%
68
Patents All Time

Issued Patents All Time

Showing 51–68 of 68 patents

Patent #TitleCo-InventorsDate
5504604 Liquid crystal display elements with opposite twist domains aligned in the same direction on one substrate Ken-Ichi Takatori, Ken Sumiyoshi 1996-04-02
5486706 Quantization functional device utilizing a resonance tunneling effect and method for producing the same Koichiro Yuki, Kiyoshi Morimoto, Masaaki Niwa, Juro Yasui, Kenji Okada +1 more 1996-01-23
5480492 Method for removing organic or inorganic contaminant from silicon substrate surface Masaharu Udagawa, Juro Yasui, Masaaki Niwa, Kenji Okada, Kiyoshi Morimoto +1 more 1996-01-02
5447999 Vinyl chloride polymerization with recycle return projecting into gas phase region of reactor Takuya Ueda, Yoshihiro Shirota, Toshiaki Maruyama, Tadashi Amano 1995-09-05
5444267 Quantum device utilizing the quantum effect Kenji Okada, Kiyoshi Morimoto, Masaharu Udagawa, Koichiro Yuki, Masaaki Niwa +1 more 1995-08-22
5422306 Method of forming semiconductor hetero interfaces Masaaki Niwa, Masaharu Udagawa, Juurou Yasui 1995-06-06
5405454 Electrically insulated silicon structure and producing method therefor Kiyoshi Morimoto, Yasuaki Terui, Masaaki Niwa, Juro Yasui, Kenji Okada +2 more 1995-04-11
5347140 Resonant electron transfer device Kiyoshi Morimoto, Yasuaki Terui, Atsuo Wada, Kenji Okada, Juro Yasui +1 more 1994-09-13
5296719 Quantum device and fabrication method thereof Juro Yasui, Yasuaki Terui, Kiyoshi Morimoto, Atsuo Wada, Kenji Okada +4 more 1994-03-22
5295008 Color LCD panel Eishi Mizobata 1994-03-15
5244828 Method of fabricating a quantum device Kenji Okada, Yasuaki Terui, Juro Yasui, Masaaki Niwa, Atsuo Wada +1 more 1993-09-14
5214291 Pattern forming method Kazuhiko Hashimoto, Takahiro Matuso 1993-05-25
5122889 Active matrix liquid crystal display using mim diodes having symmetrical voltage-current characteristics as switching elements Setsuo Kaneko, Hiroyuki Uchida, Kousaku Ohira 1992-06-16
5117298 Active matrix liquid crystal display with reduced flickers 1992-05-26
5069534 Active matrix liquid crystal display with series-connected MIM structures as a switching element 1991-12-03
4838654 Liquid crystal display device having display and driver sections on a single board Tsueno Hamaguchi, Setsuo Kaneko 1989-06-13
4807974 Liquid crystal display having a decoder between a driver and scan electrodes 1989-02-28
4550982 All-solid-state display including an organic electrochromic layer with ion donor/acceptor 1985-11-05