Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1044452 | Part of case of power tool | Tung-Chin Kuo | 2024-10-01 |
| 12023792 | Impact tool having exchangeable handle structure | Tung-Chin Kuo | 2024-07-02 |
| 11958567 | Coaxial mid-drive power device of bicycle | Yi-Hsing Hsu | 2024-04-16 |
| 11478843 | Mandrel collector | Tung-Chin Kuo | 2022-10-25 |
| 11478908 | Impact wrench | YING-TANG WANG | 2022-10-25 |
| 8051920 | Impact drill | Kim Y. C. Tsai, Jeng-Da Tsai | 2011-11-08 |
| 7993769 | Battery module for power hand tool | Kim Y. C. Tsai | 2011-08-09 |
| 7897278 | Battery module for power hand tool | Kim Y. C. Tsai | 2011-03-01 |
| 7896097 | Electric power tool | — | 2011-03-01 |
| 7401941 | Flashlight | Yen-Chieh Huang | 2008-07-22 |
| D537779 | Top shell of battery pack for power tool | Kim Y. C. Tsai, Chien-Jen Li | 2007-03-06 |
| D537412 | Top shell of battery pack for power tool | Kim Y. C. Tsai, Chien-Jen Li | 2007-02-27 |
| 7168503 | Power hand tool | — | 2007-01-30 |
| D529649 | Bendable flashlight | Yen-Chieh Huang | 2006-10-03 |
| D512373 | Battery holder for power tool | Kim Y. C. Tsai | 2005-12-06 |
| 6688406 | Power tool having a function control mechanism for controlling operation in one of rotary drive and hammering modes | Chien-Chun Wu, Hung-Ming Hsu | 2004-02-10 |