Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874542 | Phenyl-pyrimidine liquid crystal compounds and liquid crystal compositions containing the same | Ryoichi Higuchi, Takao Sakurai, Naoko Mikami, Eri Yamamoto, Koji Takeuchi | 1989-10-17 |