Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8636377 | Light tube holder for receiving LED tube or fluorescent tube | Qing-Shan Cao, Jian-Pu Chen | 2014-01-28 |
| 8604715 | Lamp tube switch circuit and method thereof | Qing-Shan Cao, Zheng-Nian Liu, Jian-Pu Chen | 2013-12-10 |
| 8561340 | Illumination device | Qing-Shan Cao, Zheng-Nian Liu, Jun Liu | 2013-10-22 |
| 8403692 | Illumination device | Qing-Shan Cao, Zheng-Nian Liu, Miao Guo | 2013-03-26 |
| 8382502 | Illumination device with a connector having a retainer with a rotary member and a starter and a swich and elastic pieces | Qing-Shan Cao, Jian-Pu Chen | 2013-02-26 |