Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7304439 | Phase-controlled dimmable electronic ballasts for fluorescent lamps with very wide dimming range | Pak-Chuen Tang, Shu Hung Henry Chung, Ron Shu Yuen Hui | 2007-12-04 |
| 6516667 | Ultrasonic harmonic signal acquisition | Ronald W. Broad, James Robertson Jago | 2003-02-11 |