Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7517448 | Recycling cool water filter | — | 2009-04-14 |
| 6739376 | Method for producing a golf club head | Bernard Cheng, Hsiao-Kun Chen, May Lin | 2004-05-25 |
| 6575284 | Clutch of a beach buggy | Michael Yu | 2003-06-10 |
| 6553854 | Mechanical speed measuring device for a beach buggy | Michael Yu, Jeff Chunchieh Huang, Judge Fu | 2003-04-29 |
| 6308738 | Drafting apparatus | Tien-Jui Liu, Eric Chu | 2001-10-30 |
| 6276926 | Injector for water free of external torch | I-Ho Huang | 2001-08-21 |
| 6264539 | Mechanism for slowing down idling shoe of an electric polisher | — | 2001-07-24 |
| D436607 | Cutter suitable for cutting metal | — | 2001-01-23 |
| 6109915 | Drafting apparatus | Tien-Jui Liu, Eric Chu | 2000-08-29 |
| 5483858 | Sawing machine having angle-adjustable clamping mechanism and safety alignment mechanism | — | 1996-01-16 |
| 5404781 | Anti-sway means for a saw web | — | 1995-04-11 |
| 5213351 | Built-up tool carriage | — | 1993-05-25 |