Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611000 | Lighting device | Tetsushi Tamura, Nobuyuki Matsui, Masanori Shimizu | 2003-08-26 |
| 6577073 | Led lamp | Masanori Shimizu, Yoko Shimomura, Tetsushi Tamura, Nobuyuki Matsui | 2003-06-10 |