Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9167653 | Power supply device and luminaire | Koji Takahashi, Hiromichi Nakajima, Kenji Sakai, Hiroyuki Kudo, Hirokazu Otake +7 more | 2015-10-20 |
| 8686663 | Lighting system and control method thereof | Toru Ishikita, Naoko Iwai, Makoto Kono, Hiroya Kan, Takao Kowada +2 more | 2014-04-01 |
| 7360927 | Electronic apparatus and lighting device | Shigeharu Oka, Kenichi Kohari, Tsutomu Araki, Koji Suzuki, Daisuke Ogino +1 more | 2008-04-22 |
| 6605905 | Discharge lamp driving apparatus and lighting fixture using the apparatus | Fuminori Nakaya | 2003-08-12 |