Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661185 | Dimmable self-ballasted fluorescent lamp and discharge lamp operating apparatus | Kenichiro Takahashi, Koji Miyazaki, Yoji Tashiro, Tetsuya Tahara | 2003-12-09 |
| 6657401 | Ballast for discharge lamp | Kenichirou Takahashi, Masayoshi Gyoten, Koji Miyazaki | 2003-12-02 |
| 6642671 | Electrodeless discharge lamp | Toshiaki Kurachi, Kouji Miyazaki, Kenichirou Takahashi, Kenichi Sasaki | 2003-11-04 |
| 6597127 | Discharge lamp operating apparatus, self-ballasted discharge lamp, dimmer and illumination kit for dimming | Kenichiro Takahashi, Masayoshi Gyoten, Koji Miyazaki, Mamoru Takeda | 2003-07-22 |
| 6577066 | Compact self-ballasted fluorescent lamp | Kouji Miyazaki, Mamoru Takeda, Takayuki Imai, Masayoshi Gyoten, Masanobu Murakami | 2003-06-10 |
| 6509698 | Operating apparatus of discharge lamp | Kenichiro Takahashi, Koji Miyazaki, Mamoru Takeda, Masayoshi Gyoten | 2003-01-21 |
| 6504322 | Discharge lamp operating apparatus | Kenichiro Takahashi, Masayoshi Gyoten, Koji Miyazaki, Mamoru Takeda | 2003-01-07 |