Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7225779 | Intake system including a resonance chamber | Kazuhiro Akima | 2007-06-05 |
| 6591804 | Variable intake apparatus for a multi-cylinder internal combustion engine | Seiji Matsumoto, Tatsuya Sagano | 2003-07-15 |
| 6382162 | Variable intake apparatus for in-line four-cylinder internal combustion engine | Tatsuya Sagano | 2002-05-07 |