Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9731547 | Frictional propulsion device and omni-directional vehicle | Tsutomu Yoshino, Wataru Yada | 2017-08-15 |
| 9630447 | Frictional propulsion device and omni-directional vehicle | Tsutomu Yoshino, Wataru Yada, Makoto Hasegawa, Shinichiro Kobashi | 2017-04-25 |