Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882085 | Lactic acid derivative and liquid crystal composition containing same | Kazuo Yoshinaga, Kazuharu Katagiri, Akira Tsuboyama, Hiroyuki Kitayama, Chieko Hioki | 1989-11-21 |
| 4880560 | Lactic acid derivative, liquid crystal composition containing same and liquid crystal device | Kazuo Yoshinaga, Kazuharu Katagiri | 1989-11-14 |
| 4876027 | Optically active composition, mesomorphic compound and liquid crystal device | Kazuo Yoshinaga, Kazuharu Katagiri, Toyoko Kobayashi | 1989-10-24 |
| 4816178 | Optically active compound and liquid crystal composition containing same | Kazuharu Katagiri, Kazuo Yoshinaga | 1989-03-28 |
| 4812259 | Lactic acid derivative, liquid crystal composition containing same and liquid crystal device | Kazuo Yoshinaga, Kazuharu Katagiri | 1989-03-14 |