Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8094758 | Ephemeris download from weak signals | Chi-Shin Wang, Zhike Jia, EnYuan Tu | 2012-01-10 |
| 7903028 | Ephemeris download from weak signals | Chi-Shin Wang, Zhike Jia, EnYuan Tu | 2011-03-08 |
| 7693211 | Fast fourier transform based phase locked loop for navigational receivers | Chi-Shin Wang, Zhike Jia | 2010-04-06 |
| 7477189 | Methods and systems for acquisition, reacquisiton and tracking of weak navigational signals | Chi-Shin Wang, Zhike Jia, Jian Cheng, EnYuan Tu | 2009-01-13 |