Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5994843 | Light source lighting device | Fumio Ueno, Ikko Harada, Noriaki Hara, Ichirou Oota | 1999-11-30 |
| 5608614 | Power converter | Masahito Ohnishi, Takashi Kanda, Takashi Yamasaki, Kazuo Yoshida | 1997-03-04 |
| 5444310 | Apparatus for operating discharge lamps | Masahito Ohnishi | 1995-08-22 |
| 5434479 | Full-bridge inverter for discharge lamp lighting device with varied transistor zero voltage period | Masahito Ohnishi, Kazuo Yoshida | 1995-07-18 |