Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828740 | Electrodeless discharge lamp operating apparatus, electrodeless compact self-ballasted fluorescent lamp and discharge lamp operating apparatus | Kenichiro Takahashi, Satoshi Kominami, Koji Miyazaki, Yoko Matsubayashi | 2004-12-07 |
| 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 | Kenji Itaya, Takeshi Arakawa, Kouji Miyazaki | 2004-07-13 |
| 6727661 | Self-ballasted fluorescent lamp | Satoshi Kominami, Kenichiro Takahashi, Koji Miyazaki | 2004-04-27 |