Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8634979 | Drive device and drive control method for electric bicycle | Shih-Hsiang Chien, Shih-Hsin Hsu, Tian-Hua Liu, Yi-Hsuan Lee | 2014-01-21 |
| 8450959 | Control method for sensorless motors with energy recovery ability | Shih-Hsiang Chien, Shih-Hsin Hsu, Yee-Pien Yang, Tian-Hua Liu | 2013-05-28 |