Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8476544 | Device for adjusting electric parameters | Yuejun Yan | 2013-07-02 |
| 8102232 | Variable inductor | Yuejun Yan | 2012-01-24 |
| 8102420 | Portable digital photographing system combining position navigation information and image information | Yuejun Yan | 2012-01-24 |
| 8089338 | Variable attenuator | Yuejun Yan | 2012-01-03 |
| 7990230 | Temperature compensation attenuator | Yuejun Yan | 2011-08-02 |
| 7629861 | Temperature compensation attenuator | Yuejun Yan | 2009-12-08 |
| 7528677 | Temperature compensation attenuator | Yuejun Yan | 2009-05-05 |
| 7362196 | Temperature compensation attenuator | Yuejun Yan | 2008-04-22 |