Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8690404 | Headlamp LED lighting device and headlamp | Takashi Ohsawa | 2014-04-08 |
| 7652550 | High-voltage generating transformer for discharge lamp lighting apparatus | Yusuke Umeda, Takashi Ohsawa | 2010-01-26 |