Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5422038 | Optically active naphthalene derivative, process for preparation thereof, liquid crystal composition containing the same as effective component, and liquid crystal element using the same | Shoji Toda, Takayuki Higashii, Masayoshi Minai, Chizu Sekine, Takeshi Tani +1 more | 1995-06-06 |
| 5389293 | Optically active benzene derivatives, process for producing the same and liquid-crystalline composition containing said derivatives as liquid-crystalline compound and light switching elements | Takayuki Higashii, Shoji Toda, Masayoshi Minai, Takeshi Tani, Chizu Kawakami +1 more | 1995-02-14 |
| 5385693 | Optically active ester derivatives, preparation process thereof, liquid crystal materials and a light switching element | Takayuki Higashii, Shoji Toda, Masayoshi Minai, Takeshi Tani, Chizu Kawakami +2 more | 1995-01-31 |
| 5374376 | Optically active aromatic compounds, preparation process therefor, liquid crystal materials and a light switching element | Takayuki Higashii, Shoji Toda, Masayoshi Minai, Shigeaki Chika, Koichi Fujisawa +1 more | 1994-12-20 |
| 5369143 | Inorganic fiber having modified surface and its use for reinforcement of resins | Naoki Inui, Kohji Yamatsuta, Hitoshi Murotani, Hideo Nagasaki, Shinichi Yachigo | 1994-11-29 |
| 5264151 | Optically active ester derivatives, preparation process thereof, liquid crystal materials and a light switching element | Takayuki Higashi, Shoji Toda, Masayoshi Minai, Takeshi Tani, Chizu Kawakami +2 more | 1993-11-23 |
| 5238598 | Optically active aromatic compounds, preparation process thereof, and liquid crystal compositions and elements | Takayuki Higashii, Shoji Toda, Masayoshi Minai, Chizu Sekine, Takeshi Tani +1 more | 1993-08-24 |
| 5218025 | Method for improving properties of vulcanized rubber containing inorganic whity filler | Naoki Inui, Tetsuo Yamaguchi | 1993-06-08 |
| 5151542 | Process for preparing di-tert.-butyl dicarbonate | Masayoshi Minai | 1992-09-29 |
| 5124070 | Optically active ester derivatives, preparation process thereof, liquid crystal materials and a light switching element | Takayuki Higashii, Shoji Toda, Masayoshi Minai, Takeshi Tani, Chizu Kawakami +2 more | 1992-06-23 |
| 4885322 | Novel ammonium salt useful as modifiers for rubber | Hiroki Yamamoto, Tetsuo Yamaguchi | 1989-12-05 |
| 4866101 | Rubber composition for producing sponge rubber product | Tadanobu Iwasa, Masataka Sasayama, Masaki Ohashi | 1989-09-12 |