Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Kenneth E. Rubenstein

SYSyva: 6 patents #5 of 35Top 15%
Menlo Park, CA: #1,196 of 3,774 inventorsTop 35%
California: #93,399 of 386,348 inventorsTop 25%
Overall (All Time): #896,582 of 4,157,543Top 25%
6 Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4423143 .beta.-D-Galactosidase conjugate for enzyme immunoassays Edwin F. Ullman 1983-12-27
4376825 Enzyme amplification compounds for assays for androgens Edwin F. Ullman 1983-03-15
4282325 Enzyme bound corticosteroids Edwin F. Ullman 1981-08-04
4203802 Inhibitable enzyme amplification assay Edwin F. Ullman 1980-05-20
4191613 Malate dehydrogenase conjugates for enzyme immunoassays Edwin F. Ullman 1980-03-04
4190496 Homogeneous enzyme assay for antibodies Edwin F. Ullman 1980-02-26