Issued Patents 1989
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889746 | Process for manufacturing an optical recording medium | Kenichi Utsumi, Tetsuya Yuasa, Iwao Tsugawa, Nagaaki Koshino | 1989-12-26 |
| 4855076 | Fluorophenylcyclohexane derivative | Tetsuya Ogawa, Shigeru Sugimori | 1989-08-08 |
| 4853152 | Cyclohexane derivative | — | 1989-08-01 |
| 4839091 | Tolan derivative and liquid crystal composition containing the same | Tetsuya Ogawa | 1989-06-13 |
| 4824596 | 2-(trans-4-alkylcyclohexyl)-5-alkoxypyrimidines | Kisei Kitano | 1989-04-25 |
| 4820443 | Cyclohexane derivative and liquid crystal composition containing the same | Tetsuya Ogawa | 1989-04-11 |
| 4816180 | Novel tolan type liquid crystal compound | Tetsuya Ogawa | 1989-03-28 |
| 4816179 | Dihalogeno-aromatic compound | Shigeru Sugimori, Tetsuya Ogawa | 1989-03-28 |
| 4797228 | Cyclohexane derivative and liquid crystal composition containing same | Shigeru Sugimori, Tetsuya Ogawa | 1989-01-10 |