Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7731671 | Massaging device | Chuan-Chien Ting, Yung-Feng Nien, Fei Chen | 2010-06-08 |
| 7287439 | Apparatus for measuring torque of a torque tool by using an indirect structure | Chiu-Wang Chen, Tai-Kang Shing, Yung-Feng Nien | 2007-10-30 |