Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6250804 | Self-lubricating linear guide apparatus | Yi-Pei Shih, Kuo-Jung Chang | 2001-06-26 |
| 5909965 | Recirculation path unit for linear rolling bearings | Kou-I Szu, Kuo-Jung Chang, Shyh-Shiuh Lih | 1999-06-08 |
| 5429439 | Linear ball guide assembly | Chao-Song Chang | 1995-07-04 |