Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5463128 | 1,4-bis(4,4-diphenyl-1,3-butadienyl)benzene derivative and electrophotographic photoreceptor using the same | Yoshimasa Matsushima | 1995-10-31 |
| 5454976 | Ferroelectric liquid crystal composition and liquid crystal display device using the same | Misao Yagi, Hitoshi Kondo, Mika Tadokoro, Hiroko Konuma, Hiroshi Sugiyama | 1995-10-03 |
| 5443933 | Electrophotographic photoreceptor | Kenichi Fujimori, Yoshitaro Nakayama, Takumi Shinohara, Atsushi Iwanami, Tohru Kobayashi | 1995-08-22 |
| 5290477 | Optically active compound and liquid crystal composition containing the same | Hitoshi Kondo, Mika Tadokoro, Hiroshi Sugiyama, Takashi Imai, Mamoru Yamada +1 more | 1994-03-01 |
| 5275756 | Fluorine-containing optically active compound and liquid crystal composition containing the same | Akio Yamaguchi, Shigeru Mitsuhashi, Mamoru Yamada, Minzo Sakaguchi, Hiroshi Sugiyama +2 more | 1994-01-04 |
| 5229238 | Electrophotographic photoreceptor comprising a benzodithiafulvene derivative charge transport material | Tohru Kobayashi, Yoshimasa Matsushima | 1993-07-20 |
| 5196955 | Ferroelectric liquid crystal optical device with viscosity not more than 30000 cps | Toshimitsu Konuma, Shunpei Yamazaki, Hitoshi Kondou | 1993-03-23 |
| 5109295 | Liquid crystal electro-optical device wherein the ferroelectric liquid crystal layer does not form helices when the molecules take two stable states but form helices during the intermediate state | Masahiko Sato, Toshiji Hamatani, Hitoshi Kondou | 1992-04-28 |
| 4751163 | 1,1,4,4-tetraphenyl-1,3-butadiene derivative and electrophotographic light-sensitive material using the same | Haruki Tsuruta | 1988-06-14 |