Issued Patents All Time
Showing 26–46 of 46 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, Koji Miyazaki, Toshiaki Kurachi, Yoko Matsubayashi | 2004-12-07 |
| 6809479 | Self-ballasted electrodeless discharge lamp and electrodeless discharge lamp operating device | Yoko Shimomura, Koji Miyazaki, Kohei Enchi, Hiroyuki Uchiyama | 2004-10-26 |
| 6727661 | Self-ballasted fluorescent lamp | Toshiaki Kurachi, Kenichiro Takahashi, Koji Miyazaki | 2004-04-27 |
| 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 |
| 6492773 | Self-ballasted fluorescent lamp | Masayoshi Gyoten, Koji Miyazaki, Kenichiro Takahashi | 2002-12-10 |
| 6424100 | Fluorescent lamp operating apparatus and compact self-ballasted fluorescent lamp | Koji Miyazaki, Mamoru Takeda, Takayuki Imai, Masayoshi Gyoten, Masanobu Murakami | 2002-07-23 |
| 6218789 | Metal halide lamp having specified relation between electrode distance and operation voltage, and operating at acoustic standing wave frequency | Kiyoshi Takahashi, Makoto Horiuchi, Mamoru Takeda, Makoto Kai, Kouji Miyazaki | 2001-04-17 |
| 6147461 | Operating apparatus of discharge lamp | Koji Miyazaki | 2000-11-14 |
| 6130508 | Method and apparatus for operating a discharge lamp to reduce the curvature of its discharge arc | Koji Miyazaki, Shigeru Horii | 2000-10-10 |
| 6107757 | Fluorescent lamp operating apparatus | Kouji Miyazaki, Shigeru Horii, Mamoru Takeda | 2000-08-22 |
| 6046548 | Method and apparatus for operating discharge lamp | Kouji Miyazaki, Shigeru Horii | 2000-04-04 |
| 5955846 | Discharge lamp lighting device and a method for lighting a discharge lamp | Kouji Miyazaki, Shigeru Horii | 1999-09-21 |
| 5949192 | Operating apparatus for discharge lamp | Kouji Miyazaki, Shigeru Horii | 1999-09-07 |
| 5880561 | Discharge lamp operating apparatus and method for reducing discharge arc curvature | Kouji Miyazaki, Shigeru Horii | 1999-03-09 |
| 5773937 | Discharge lamp-lighting apparatus for straightening arc discharge | Koji Miyazaki, Makoto Horiuchi, Shigeru Horii, Tatsushi Higuchi | 1998-06-30 |