Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7909490 | Lighting apparatus | Glenn T. Schmidt, Samuel Zeng, Amy Grumet-Avallone, Thomas Greenfield, Jennifer L. Gloisten | 2011-03-22 |
| 6629827 | Small size air compressor | — | 2003-10-07 |
| 6559606 | Lamp driving topology | Arnel Dela Cruz | 2003-05-06 |
| 6531831 | Integrated circuit for lamp heating and dimming control | Yung-Lin Lin | 2003-03-11 |
| 6515881 | Inverter operably controlled to reduce electromagnetic interference | Ching-Chuan Kuo | 2003-02-04 |
| D453168 | Air pump | — | 2002-01-29 |
| 6104146 | Balanced power supply circuit for multiple cold-cathode fluorescent lamps | Yung-Lin Lin | 2000-08-15 |
| 5892336 | Circuit for energizing cold-cathode fluorescent lamps | Yung-Lin Lin, Kwang-Hwa Liu | 1999-04-06 |
| 5834906 | Instant start for an electronic ballast preconditioner having an active power factor controller | Yongping Xia, Feng Hu | 1998-11-10 |
| 5808423 | Lighting control for reducing energy consumption | Richard Qun Li, Yongping Xia, Ronald Siepkes | 1998-09-15 |
| 5739645 | Electronic ballast with lamp flash protection circuit | Yongping Xia, Xing-Xing Lu | 1998-04-14 |