Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698137 | Optically active dihydropyran derivative, and liquid crystal composition, liquid crystal device, and racemic mixture comprising the derivative | Mitsunori Takeda, Masaaki Namekawa, Keizou Itoh | 1997-12-16 |