Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8648544 | Illumination lighting apparatus, illumination apparatus, and illumination system | Naoki Onishi, Masafumi Yamamoto, Keisuke Ueda, Katsunobu Hamamoto, Kei Mitsuyasu | 2014-02-11 |
| 8129920 | Discharge lamp ballast and fixture with controlled preheating | — | 2012-03-06 |