| 9648678 |
LED driver circuit with dimming control and programming interfaces |
Wei Xiong, John J. Dernovsek |
2017-05-09 |
| 8319447 |
Hid lamp ballast with multi-phase operation based on a detected lamp illumination state |
Junichi Hasegawa |
2012-11-27 |
| 8232746 |
High pressure discharge lamp lighting device and lighting fixture using the same |
Akira Yufuku, Hiroyasu Eriguchi, Takeshi Kamoi, Jun Kumagai, Naoki Komatsu +3 more |
2012-07-31 |
| 8228006 |
High pressure discharge lamp lighting device and lighting fixture using the same |
Naoki Komatsu, Hiroyasu Eriguchi, Takeshi Kamoi, Jun Kumagai, Akira Yufuku +3 more |
2012-07-24 |
| 8115404 |
High pressure discharge lamp lighting device and luminaire |
Takeshi Kamoi, Nobutoshi Matsuzaki, Daisuke Yamahara |
2012-02-14 |
| 8093837 |
Lamp ballast and an illumination apparatus |
Akira Yufuku |
2012-01-10 |
| 8044601 |
High voltage discharge lamp lighting device |
Nobutoshi Matsuzaki, Hiroyasu Eriguchi, Takeshi Kamoi, Naoki Komatu, Jun Kumagai +3 more |
2011-10-25 |
| 8040074 |
Discharge-lamp lighting device and luminaire |
Akira Yufuku, Jun Konishi |
2011-10-18 |
| 7994733 |
Discharge lamp lighting device and light fixture |
Akira Yufuku, Jun Konishi |
2011-08-09 |
| 7759878 |
Lighting device for a high-pressure discharge lamp and lighting equipment employing same |
Akira Yufuku, Noriyuki Fukumori, Nobuo Ukita |
2010-07-20 |
| 7557523 |
Discharge lamp lighting device, and lighting equipment and lighting system using the device |
Koji Noro, Noriyuki Fukumori, Kenichi Fukuda |
2009-07-07 |
| 7469940 |
Discharge lamp lighting device, lighting system and method |
Yiyoung Sun, Kenichi Fukuda |
2008-12-30 |
| 7416314 |
Discharge lamp lighting device and illuminator |
Akihiro Kishimoto, Kenichi Fukuda |
2008-08-26 |
| 7365951 |
Discharge lamp lighting device, lighting system and method |
Yiyoung Sun, Kenichi Fukuda |
2008-04-29 |
| 6864645 |
Method and circuit for driving a gas discharge lamp |
Yiyoung Sun, Hiroyasu Eriguchi |
2005-03-08 |
| 6437515 |
Discharge lamp lighting device of high startability with high pulse voltage |
Takeshi Kamoi, Naoki Komatsu, Tsutomu Shiomi, Hiroichi Shinbori, Yiyoung Sun |
2002-08-20 |
| 6020691 |
Driving circuit for high intensity discharge lamp electronic ballast |
Yiyoung Sun |
2000-02-01 |