Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820022 | Liquid crystal antidazzle mirror | Hiroshi Demura, Yasuo Oyama, Sadao Kokubu, Kouji Takizawa, Shigeru Iguchi | 1989-04-11 |
| 4799769 | Liquid crystal antidazzle mirror | Hiroshi Demura, Akira Kawahashi, Sadao Kokubu | 1989-01-24 |