Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7563029 | Rolling element chain | Ching-Shan Wu, Jen-Wen Chen | 2009-07-21 |
| 6250804 | Self-lubricating linear guide apparatus | Wu-Chang Hsu, Yi-Pei Shih | 2001-06-26 |
| 5909965 | Recirculation path unit for linear rolling bearings | Kou-I Szu, Shyh-Shiuh Lih, Wu-Chang Hsu | 1999-06-08 |