Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817735 | Illumination light source | Masanori Shimizu, Hideo Nagai, Tetsushi Tamura, Nobuyuki Matsui | 2004-11-16 |
| 6809479 | Self-ballasted electrodeless discharge lamp and electrodeless discharge lamp operating device | Koji Miyazaki, Satoshi Kominami, Kohei Enchi, Hiroyuki Uchiyama | 2004-10-26 |