Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10933476 | Fixed-type rotary cutter | Yao-Hsien HSU, Huang-Ming Hsu | 2021-03-02 |
| 7531970 | Power source driving circuits and controllers thereof | Chung-Che Yu, Chien-Pang Hung, Chih-Shun Lee | 2009-05-12 |
| 6457915 | Dust collector of ceiling driller | — | 2002-10-01 |