Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6230747 | Pipe connecting method and piping structure | Noriaki Nakao | 2001-05-15 |
| 6070458 | Throttle valve opening detecting device | Hideaki Nawa, Sadao Takaki, Katsuyuki Kajitani, Atsushi Ito, Masao Takeda | 2000-06-06 |