Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9580139 | Electric kick scooter | — | 2017-02-28 |
| 8532857 | Power-assisted system for bicycle | Chi-Chang Cheng | 2013-09-10 |
| 8091674 | Torque detecting system for bottom bracket axle of power-assisted bicycle and two-phase signal transmitting method using the same | Bin Zhang | 2012-01-10 |
| 6314277 | Electromagnetic radiation protection device of a mobile phone | Chin-Tong Liu | 2001-11-06 |
| 6072705 | Power source conversion device capable of eliminating low-frequency radiation | — | 2000-06-06 |