CC

Ching-Di Chang

NC National Science Council: 1 patents #238 of 867Top 30%
Overall (All Time): #3,689,562 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5777578 Global positioning system (GPS) Compass Fan-Ren Chang, Li-Sheng Wang, Chi-Hsuan Tu, Yen-Weay Shei, Kun-Yuan Tu 1998-07-07