Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834981 | Light-emitting unit, light-emitting unit combination, and lighting apparatus assembled from a plurality of light-emitting units | Hideo Nagai, Nobuyuki Matsui | 2004-12-28 |
| 6817735 | Illumination light source | Masanori Shimizu, Yoko Shimomura, Hideo Nagai, Nobuyuki Matsui | 2004-11-16 |