Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6130658 | Back light assembly for flat panel display | Koichi Yamamoto, Dai Yoneya | 2000-10-10 |
| 6089739 | Surface light source device | Koichi Yamamoto, Dai Yoneya, Akihiro Suzuki | 2000-07-18 |
| 5993027 | Surface light source with air cooled housing | Koichi Yamamoto, Dai Yoneya, Akihiro Suzuki | 1999-11-30 |