Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5123077 | Light source device | Naofumi Aoyama, Toshihiko Yabuuchi | 1992-06-16 |
| 5064276 | Light source for planar illumination in liquid crystal device | Naofumi Aoyama, Toshihiko Yabuuchi, Teruo Seki | 1991-11-12 |