Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7586078 | Method for forming a photoelectric switch | — | 2009-09-08 |
| 7327098 | LED controller and control method thereof | — | 2008-02-05 |
| 7209226 | Gravity sensor | Cheng-Hong Su | 2007-04-24 |
| 6639238 | Photo interrupter with dual-direction detection ability | Yao-Lung Kuo | 2003-10-28 |