Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11733728 | Speed regulating hand brake mechanism and method for speed regulation of same | Kaihua Chang | 2023-08-22 |
| 9868234 | Method for manufacturing carbon fiber component and carbon fiber component manufactured by using this method | Jiao Yu, Dahai Dong | 2018-01-16 |