Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9120475 | Oil replacement apparatus | — | 2015-09-01 |
| 7646251 | Radio frequency application circuit | — | 2010-01-12 |
| 7564318 | Switch capacitance and varactor banks applied to voltage controlled oscillator having constant frequency tuning sensitivity | — | 2009-07-21 |
| 7497309 | Bicycle brake lever | — | 2009-03-03 |
| D541717 | Brake disk | — | 2007-05-01 |
| 6945369 | Adjustable disk brake assembly for a bicycle | — | 2005-09-20 |
| 6776071 | Stepless ratchet wrench structure | — | 2004-08-17 |
| 6564910 | Disk brake for a bicycle | Sheng-Hui Chen | 2003-05-20 |