Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9608526 | DC/DC converter, on-board unit and charging device | Takashi Ohsawa | 2017-03-28 |
| 7572040 | Lighting device | Takashi Ohsawa | 2009-08-11 |
| 7091673 | Discharge lamp lighting device | Takashi Ohsawa | 2006-08-15 |
| 6452345 | Discharge lamp operating device | — | 2002-09-17 |