Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7640821 | Circulating member for a ball screw | Yu-Shan Lee | 2010-01-05 |
| 7458722 | Magnetic spacer | Yan-Yu Chen, Wen-Chia Wu | 2008-12-02 |
| 6796735 | Keyboard with paper holder structure | — | 2004-09-28 |
| 6782804 | Fry pan having an adjustable position angle | — | 2004-08-31 |
| D411306 | Hand-held type massage roller | — | 1999-06-22 |
| D397086 | Electrical connector | — | 1998-08-18 |
| 5643181 | Multipurpose massaging apparatus | — | 1997-07-01 |
| D375797 | Massaging tool | — | 1996-11-19 |