Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5558420 | Flat lighting device | Yoji Oki, Shigeo Fujisawa | 1996-09-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5558420 | Flat lighting device | Yoji Oki, Shigeo Fujisawa | 1996-09-24 |