Issued Patents 2023
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11686372 | Modularized coaxial gear set reduction mechanism | Li Yao, Norman Lien, Pei-Sheng Hsieh, Pi-Jen Hsieh | 2023-06-27 |
| 11614128 | Clutch structure | Li Yao, Norman Lien, Pei-Sheng Hsieh | 2023-03-28 |
| 11578785 | Short-axle-distance large-speed-ratio gear set structure | Li Yao, Norman Lien, Pei-Sheng Hsieh, Pi-Jen Hsieh | 2023-02-14 |
| 11572932 | Coupling structure and modularized coaxial gear train reduction mechanism using same | Li Yao, Norman Lien, Pei-Sheng Hsieh, Pi-Jen Hsieh | 2023-02-07 |