Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5536443 | Cyclic hydrocarbon derivative and liquid crystal composition containing the same | Haruyoshi Takatsu, Sadao Takehara, Masashi Osawa, Shinji Ogawa, Norie Ishida | 1996-07-16 |
| 5474707 | Cyclic hydrocarbon derivative and liquid crystal composition containing the same | Haruyoshi Takatsu, Sadao Takehara, Masashi Osawa, Shinji Ogawa, Norie Ishida | 1995-12-12 |
| 5321169 | Cyclohexane derivatives | Yasuyuki Tanaka, Haruyoshi Takatsu, Yuji Tamura | 1994-06-14 |
| 5304323 | Liquid crystal devices and process for producing the same | Yoshi Arai, Toru Fujisawa, Haruyoshi Takatsu, Koichiro Adachi, Hiroshi Ogawa +1 more | 1994-04-19 |
| 5089629 | Fluorine-substituted cyclohexylcyclohexene derivative | Yasuyuki Tanaka, Haruyoshi Takatsu, Yuuji Tamura | 1992-02-18 |
| 4961874 | Optically active tolan derivatives | Makoto Sasaki, Haruyoshi Takatsu | 1990-10-09 |
| 4946986 | Cyclohexene derivatives | Yasuyuki Tanaka, Haruyoshi Takatsu, Yuji Tamura | 1990-08-07 |
| 4910350 | Fluorine-substituted cyclohexylcyclohexene derivative | Yasuyuki Tanaka, Haruyoshi Takatsu, Yuuji Tamura | 1990-03-20 |
| 4880936 | Optically active pyridines useful in liquid crystal form for electrical display devices | Makoto Sasaki, Haruyoshi Takatsu | 1989-11-14 |
| 4814516 | Novel optically active tolan derivatives | Makoto Sasaki, Haruyoshi Takatsu | 1989-03-21 |
| 4814523 | Nematic liquid crystal compound of four ring systems | Yasuyuki Tanaka, Haruyoshi Takatsu, Yuji Tamura | 1989-03-21 |
| 4764636 | Optically active benzoic ester derivatives | Makoto Sasaki, Haruyoshi Takatsu | 1988-08-16 |
| 4754051 | Optically active tolan derivative | Makoto Sasaki, Haruyoshi Takatsu | 1988-06-28 |
| 4698177 | Cyclohexylcyclohexene derivatives | Yasuyuki Tanaka, Haruyoshi Takatsu | 1987-10-06 |
| 4670182 | Nematic liquid crystalline composition | Yutaka Fujita | 1987-06-02 |
| 4654421 | 4-substituted phenyl crotyl ether derivative | Yasuyuki Tanaka, Haruyoshi Takatsu | 1987-03-31 |
| 4393258 | 1-Cyclohexyl-2-cyclohexylphenylethane derivatives | Hisato Sato, Haruyoshi Takatsu, Yutaka Fujita, Masayuki Tazume, Hiroyuki Ohnishi | 1983-07-12 |