Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8975799 | Broad-pole type square-wave three-phase brushless permanent magnet direct current motor and assembling method thereof | Yamei Qi, Tiecai Li, Weilong Lan, Zhihui Liao, Shinian Li | 2015-03-10 |
| 8598832 | Control system of multi-shaft servo motor | Yajing Liu, Tiecai Li, Yan Zhang, Guijie Yang, Hongpeng Wang | 2013-12-03 |
| 8183803 | Brushless DC motor control system | Tiecai Li, Yamei Qi, Xiang Kong, Shuang Wang, Pinghua Tang | 2012-05-22 |
| 8179126 | Hall rotary transformer and hall rotation angle encoder made of it | Tiecai Li, Yamei Qi, Yajing Liu, Pinghua Tang, Guijie Yang +4 more | 2012-05-15 |
| 8089192 | Three-phase square-wave permanent magnet brushless DC motor | Tiecai Li, Yamei Qi, Xiang Kong, Weilong Lan, Feipeng Xu | 2012-01-03 |