Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8217548 | Electric motor | Ruifeng Qin, Ling Yang, BaoTing Liu | 2012-07-10 |
| 7982354 | Electric motor | Ruifeng Qin, Ling Yang, BaoTing Liu | 2011-07-19 |
| 7821170 | Electric motor | Ruifeng Qin, Ling Yang, BaoTing Liu | 2010-10-26 |