Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Che-Nan Tsai — 2 Patents

UMUnited Microelectronics: 2 patents #1,942 of 4,560Top 45%
Tainan, TW: #2,059 of 4,566 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Che-Nan Tsai has been granted 2 US patents while listed as an inventor at United Microelectronics. The first was granted in 2013 and the most recent in April 2015. Che-Nan Tsai ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Che-Nan Tsai in Tainan, TW.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9000568 Semiconductor structure and fabrication method thereof Szu-Hao Lai, Yu-Ren Wang, Po-Chun Chen, Chih-Hsun Lin, Chun-Ling Lin +2 more 2015-04-07 $391,000
8551876 Manufacturing method for semiconductor device having metal gate Yu-Ren Wang, Te-Lin Sun, Szu-Hao Lai, Po-Chun Chen, Chih-Hsun Lin +2 more 2013-10-08 $572,000