Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5925985 | Electronic ballast circuit for igniting, supplying and dimming a gas discharge lamp | Xiaoming Zeng, Kia Tong Tan | 1999-07-20 |
| 5345148 | DC-AC converter for igniting and supplying a gas discharge lamp | Xiaming Zeng | 1994-09-06 |