Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149821 | Line gear mechanism with variable-angle transmission | Yangzhi Chen, Chao He | 2021-10-19 |
| 10677317 | Rotation-movement conversion linear gear mechanism | Yangzhi Chen | 2020-06-09 |
| 10465787 | Variable-ratio line gear mechanism | Yangzhi Chen, Huai-Yi Huang | 2019-11-05 |