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USPTO Patent Rankings Data through Dec 31, 2025
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Dar-Sun Tsien — 2 Patents

UMUnited Microelectronics: 2 patents #1,942 of 4,560Top 45%
Los Altos, CA: #2,265 of 3,651 inventorsTop 65%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Dar-Sun Tsien has been granted 2 US patents while listed as an inventor at United Microelectronics. All of these patents were granted in 2009. Dar-Sun Tsien ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Dar-Sun Tsien in Los Altos, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7596775 Method for determining a standard cell for IC design Chien-Kuo Wang, Chen-Hsien Hsu, Wei Wang 2009-09-29 $5,677,000
7562326 Method of generating a standard cell layout and transferring the standard cell layout to a substrate Wei Wang, Chen-Hsien Hsu, Chien-Kuo Wang 2009-07-14 $2,619,000