YT

Yasuyuki Takiguchi

Ricoh Company: 39 patents #374 of 9,818Top 4%
NO Nippon Oil: 7 patents #93 of 773Top 15%
Overall (All Time): #80,084 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
5408344 Reflection type liquid crystal display with selective reflecting means Akihiko Kanemoto, Hiroyuki Takahashi 1995-04-18
5380459 Liquid crystal display device with improved viewing angle dependence of color Akihiko Kanemoto, Haruo Iimura 1995-01-10
5326496 Compensator for liquid crystal display Shigeki Iida, Takehiro Toyooka, Takamichi Enomoto 1994-07-05
5260109 Method for polarizing light Shigeki Iida, Takehiro Toyooka, Takamichi Enomoto 1993-11-09
5250214 Liquid crystal color display device provided with a color filter film and an optical phase plate comprising liquid crystal polymer Akihiko Kanemoto, Haruo Iimura, Shigeki Iida, Takehiro Toyooka, Hiroyuki Ito 1993-10-05
5243451 DAP type liquid crystal device with cholesteric liquid crystal birefringent layer Akihiko Kanemoto, Haruo Iimura 1993-09-07
5184237 Super-twisted nematic type liquid crystal display device Haruo Iimura, Akihiko Kanemoto 1993-02-02
5175638 ECB type liquid crystal display device having birefringent layer with equal refractive indexes in the thickness and plane directions Akihiko Kanemoto, Haruo Iimura 1992-12-29
5150237 Liquid crystal display element Haruo Iimura, Akihiko Kanemoto 1992-09-22
5147682 Method for orienting a liquid crystal polymer Shigeki Iida, Takehiro Toyooka 1992-09-15
5132147 Method for orienting a liquid crystalline polymer Shigeki Iida, Takehiro Toyooka 1992-07-21
5064697 Substrate with a liquid crystal polymeric thin film and method for manufacturing the same Akihiko Kanemoto, Shigeki Iida, Takehiro Toyooka 1991-11-12
5056896 Liquid crystal display device with dielectric anisotropy Haruo Iimura, Akihiko Kanemoto, Kenya Yokoi, Takamichi Enomoto 1991-10-15
4984873 Liquid crystal display device Akihiko Kanemoto, Kenya Yokoi, Haruo Iimura, Takamichi Enomoto, Sumio Kamoi 1991-01-15
4921728 Process of making a liquid crystal element Akihiko Kanemoto, Kiyohiro Uehara, Yoshio Imai, Taro Hino, Mitsumasa Iwamoto +2 more 1990-05-01