Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David (Daching) Chen — 3 Patents

DWDot Wireless: 3 patents #2 of 6Top 35%
VTVlsi Technology: 2 patents #227 of 594Top 40%
VTVsli Technology: 1 patents #5 of 38Top 15%
Irvine, CA: #2,493 of 6,241 inventorsTop 40%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
David (Daching) Chen has been granted 3 US patents while listed as an inventor at Dot Wireless. The first was granted in 2001 and the most recent in March 2003. David (Daching) Chen ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David (Daching) Chen in Irvine, CA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6539049 Device and method for maintaining time synchronous with a network master time John G. McDonough, Tien Q. Nguyen 2003-03-25
6490329 Device and method for generating clock signals from a single reference frequency signal and for synchronizing data signals with a generated clock Tien Q. Nguyen, John G. McDonough, Howard Tran 2002-12-03
6289067 Device and method for generating clock signals from a single reference frequency signal and for synchronizing data signals with a generated clock Tien Q. Nguyen, John G. McDonough, Howard Thien Tran 2001-09-11