Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880561 | Optically active compound and liquid crystalline composition | Tatsuru Tabohashi, Takao Sakurai, Ryoichi Higuchi, Naoko Mikami, Koji Takeuchi | 1989-11-14 |
| 4874542 | Phenyl-pyrimidine liquid crystal compounds and liquid crystal compositions containing the same | Ryoichi Higuchi, Takao Sakurai, Tadahiko Yokota, Naoko Mikami, Koji Takeuchi | 1989-10-17 |