Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656198 | Tolan compound and liquid crystal composition containing the same | Yumiko Sakamaki, Katsuji Niino, Kikuo Yamamoto | 1997-08-12 |
| 5651919 | Benzyl ether derivative and composition containing the same | Yumiko Sakamaki, Hisato Sato | 1997-07-29 |