Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8894735 | Intake device for engine | Takahiro Yamazaki, Ken Shirai, Hisato Osawa | 2014-11-25 |
| 8468910 | Filler member for crankshaft | Hisato Osawa, Takahiro Yamazaki, Ken Shirai | 2013-06-25 |