Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611101 | Electric light bulb and coating method of electric light bulb | Koichi Nakamura | 2003-08-26 |
| 6534118 | Method of applying a shielding film to a light source bulb | Koichi Nakamura, Kunimasa Mochizuki, Makoto Michino | 2003-03-18 |