Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6626551 | Lighting device, and electronic device using the same | Osamu Yokoyama | 2003-09-30 |
| 6582091 | Illumination device | Masahiro Uchida | 2003-06-24 |
| 6545408 | Organic electroluminescent light source | Masahiro Uchida, Osamu Yokoyama | 2003-04-08 |