Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11187254 | Bearing base | Chih-Hsin CHOU | 2021-11-30 |
| 11067215 | Adjustable supporting frame | Yuan-Chi Lee, Chih-Hsin CHOU, Ching-Hui Yen | 2021-07-20 |
| D902218 | Supporting frame | Yuan-Chi Lee, Chih-Hsin CHOU | 2020-11-17 |
| 9657895 | Rotatable supporting frame | — | 2017-05-23 |