Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10138807 | Drive device provided with XY-separating crank mechanism | Yasuo Yoshizawa, Takumi Yoshizawa, Yutaka Yoshizawa, Satoshi Yoshizawa | 2018-11-27 |
| 6098477 | Crank device for linear motion of connecting rod | Ken Takachi | 2000-08-08 |
| 6024067 | Assembly for direct connection of internal combustion engine and machine driven | Ken Takachi | 2000-02-15 |