Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646643 | Liquid crystal display device | Hoko Hirai | 1997-07-08 |
| 5619221 | Liquid crystal display device | Hoko Hirai | 1997-04-08 |
| 5606342 | Liquid crystal display system | Masato Shoji, Hoko Hirai, Akio Murayama | 1997-02-25 |