Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9371798 | Free-piston type stirling engine | Shou Ozaki, Yasushi Yamamoto | 2016-06-21 |
| 8951158 | Planetary friction gear continuously variable transmission | Shou Ozaki, Yasushi Yamamoto | 2015-02-10 |