Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7021294 | Fuel pump control device | Takao Yamamoto, Ryota Umetani, Kenichi Nishizawa | 2006-04-04 |
| 6553972 | Fuel pump control device | Takao Yamamoto, Ryota Umetani, Kenichi Nishizawa | 2003-04-29 |