Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
CT

C. Tang — 1 Patent

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Hamm, DE: #94 of 198 inventorsTop 50%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
C. Tang has been granted 1 US patent while listed as an inventor at Unknown. All of these patents were granted in 2006. C. Tang ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list C. Tang in Hamm, DE.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7132496 Step-by-step alkylation of polymeric amines Jochen Kerres, W. Zhang 2006-11-07