Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert Heft — 3 Patents

ITIbex Technologies: 2 patents #2 of 10Top 20%
BPBiomarin Pharmaceutical: 1 patents #82 of 139Top 60%
SRScripps Research: 1 patents #709 of 1,293Top 55%
Mont-Laurier, CA: #59 of 235 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Robert Heft has been granted 3 US patents while listed as an inventor at Ibex Technologies. The first was granted in 1993 and the most recent in June 2009. Robert Heft ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert Heft in Mont-Laurier, QC, CA.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7553653 Variants and chemically-modified variants of phenylalanine ammonia-lyase Emilio Kakkis, Daniel I. Oppenheimer, Paul A. Fitzpatrick, Alejandra Gamez, Lin Wang +4 more 2009-06-30 $22,329,000
5338677 Heparinase free of an anticoagulant component from flavobacterium Heparinum Joseph J. Zimmermann, N. Tracey Lewis 1994-08-16
5262325 Method for the enzymatic neutralization of heparin Joseph J. Zimmermann, N. Tracey Lewis 1993-11-16