Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880936 | Optically active pyridines useful in liquid crystal form for electrical display devices | Kiyohumi Takeuchi, Haruyoshi Takatsu | 1989-11-14 |
| 4859840 | Code reading apparatus | Kazuo Hasegawa, Junichi Ouchi, Hiroaki Sasaki, Koji Nakase | 1989-08-22 |
| 4849486 | Polyphenylene ether resin composition | Shozo Tsuchiya, Yukio Kobayashi | 1989-07-18 |
| 4820878 | Tolan-type nematic liquid crystalline compounds | Haruyoshi Takatsu, Yasuyuki Tanaka, Hisato Sato | 1989-04-11 |
| 4814516 | Novel optically active tolan derivatives | Kiyohumi Takeuchi, Haruyoshi Takatsu | 1989-03-21 |
| 4803248 | Rubber compositions | Hitoshi Kondo, Yukio Kobayashi | 1989-02-07 |