Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6414447 | Discharge lamp lighting device and illuminating device | Noriyuki Kitamura, Fuminori Nakaya | 2002-07-02 |
| 6177768 | Discharge lamp lighting device and illumination device | Masahiko Kamata, Keiichi Shimizu, Keiji Takahashi, Fuminori Nakaya | 2001-01-23 |
| 5777861 | Power supply apparatus having high power-factor and low distortion-factor characteristics | Keiichi Shimizu, Noriyuki Kitamura, Nanjou Aoike, Fumihiko Nagasaki, Yuji Takahashi | 1998-07-07 |
| 5737207 | Power supply | Kazuyuki Uratani, Noriyuki Kitamura, Yuji Takahashi, Keiichi Shimizu, Kazutoshi Mita | 1998-04-07 |
| 5175474 | Power source for lighting apparatus | Kenichi Inui | 1992-12-29 |
| 5140224 | Apparatus for operating discharge lamp | Kenichi Inui | 1992-08-18 |
| 5130610 | Discharge lamp lighting apparatus | — | 1992-07-14 |
| 5097181 | Discharge lamp lighting device having level shift control function | — | 1992-03-17 |
| 5084652 | Fluorescent lamp lighting apparatus | — | 1992-01-28 |
| 5073745 | Inverter circuit for stable illumination of discharge lamp | — | 1991-12-17 |
| 5039921 | Discharge lamp lighting apparatus for driving discharge lamp according to rating thereof | — | 1991-08-13 |