Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11738430 | Striking device | Chun-Chi Lai, Liang-Chi Hung, Sheng-Man Wang, Chia-Yu Chien, Jian-Rung Wu | 2023-08-29 |
| 7992469 | Screw feeding device in continuous screw driving tool | Shin-Nan Chang | 2011-08-09 |