Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11953078 | Low speed gear module | Ming-Han Tsai, Chin-Fa Lu, Kai-Hsien Wang | 2024-04-09 |
| 10704651 | Low rotational speed gear module | Ming-Han Tsai, Chin-Fa Lu, Kai-Hsien Wang | 2020-07-07 |
| 6435285 | Structure for enhancing torque output of electric drill | — | 2002-08-20 |
| 5788021 | Automatic outputshaft locking mechanism for electric tools | — | 1998-08-04 |
| D327619 | Electric drill | — | 1992-07-07 |