Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Brian Leaker — 1 Patent

Pfizer: 1 patents #3,022 of 5,153Top 60%
Sandwich, IL: #53 of 98 inventorsTop 55%
Illinois: #49,230 of 84,256 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Brian Leaker has been granted 1 US patent while listed as an inventor at Pfizer. All of these patents were granted in 1998. Brian Leaker ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Brian Leaker in Sandwich, IL, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5837724 Method of enhancing cognition Michael J. Allen, Brian Johnson, Robert M. Wallis 1998-11-17 $114,120,000