Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10024340 | Cylinder device with force multiplication mechanism | Keitaro Yonezawa | 2018-07-17 |
| 10018191 | Cylinder apparatus | Keitaro Yonezawa | 2018-07-10 |
| 9909600 | Cylinder apparatus | Keitaro Yonezawa | 2018-03-06 |