Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Tianmei Ouyang — 55 Patents

Abbott: 47 patents #54 of 5,431Top 1%
LILifescan: 8 patents #20 of 267Top 8%
Fremont, CA: #200 of 9,298 inventorsTop 3%
California: #6,736 of 386,348 inventorsTop 2%
Overall (All Time): #45,119 of 4,157,543Top 2%
55 Patents All Time

Issued Patents All Time

Showing 51–55 of 55 patents

Patent #TitleCo-InventorsDate
6656697 Diagnostics based on tetrazolium compounds Yeung Siu Yu 2003-12-02
6586199 Stabilized tetrazolium reagent compositions and methods for using the same Paing Huang 2003-07-01
6420128 Test strips for detecting the presence of a reduced cofactor in a sample and method for using the same Yeung Siu Yu 2002-07-16
6200773 Diagnostics based on tetrazolium compounds Yeung Siu Yu 2001-03-13
5902731 Diagnostics based on tetrazolium compounds Yeung Siu Yu 1999-05-11