Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659410 | Surface light source device and liquid crystal display | Takayuki Arai | 1997-08-19 |
| 5593621 | Method of manufacturing plastic optical transmission medium | Ryo Nihei | 1997-01-14 |