Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8344628 | Dimming electronic ballast with lamp end of life detection | — | 2013-01-01 |
| 6580229 | Discharge lamp lighting device | Yoshinobu Murakami, Joji Oyama, Toshiya Kanja, Shigeru Ido | 2003-06-17 |
| 5495149 | Power supply | Akinori Hiramatsu, Hiroyuki Sako, Kazuhiro Gotoh, Nobukazu Miki, Seiji Soga | 1996-02-27 |