Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661185 | Dimmable self-ballasted fluorescent lamp and discharge lamp operating apparatus | Satoshi Kominami, Kenichiro Takahashi, Koji Miyazaki, Yoji Tashiro | 2003-12-09 |
| 6600272 | Bulb-shaped fluorescent lamp | Nobuyuki Matsui, Hiroki Nakagawa | 2003-07-29 |
| 6552497 | Light bulb type fluorescent lamp lighting apparatus | Hiroki Nakagawa | 2003-04-22 |