Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12011809 | Power tool and safety control circuit module and safety control method thereof | Cheng-En Tsai, Chong-kun Hung | 2024-06-18 |
| 11742686 | Battery device and battery charging system | Cheng-En Tsai | 2023-08-29 |
| 11633841 | Method for controlling nail-striking operation of an electric nail gun, and electric nail gun implementing the same | Cheng-En Tsai | 2023-04-25 |
| 11316453 | Control system and method for power-driven nail gun | Cheng-En Tsai | 2022-04-26 |
| 6205024 | Heat sink for rectifier | Yi-Ching Chen | 2001-03-20 |