Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6768254 | Self-ballasted electrodeless discharge lamp and electrodeless discharge lamp | Takeshi Arakawa, Mitsuharu Kawasaki, Kiyoshi Hashimotodani, Kenichiro Takahashi, Koji Miyazaki +2 more | 2004-07-27 |
| 6762550 | Electrodeless discharge lamp | Takeshi Arakawa, Toshiaki Kurachi, Kouji Miyazaki | 2004-07-13 |
| D485918 | Part of fluorescent lamp | Koichi Katase | 2004-01-27 |