Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6691538 | Enhanced door lock capable of being locked from inner side of doorplate | Chen Yang, Sheng Chu Yang | 2004-02-17 |
| 6470720 | Steering wheel lock | Cheng-Feng Yang, Sheng-chun Yang | 2002-10-29 |
| 5206460 | Oscillator package | — | 1993-04-27 |