Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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John Stach — 2 Patents in 2021

DIDigimarc: 2 patents #16 of 44Top 40%
Portland, OR: #514 of 1,855 inventorsTop 30%
Oregon: #1,030 of 4,388 inventorsTop 25%
Overall (2021): #145,712 of 548,734Top 30%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11068679 Methods and arrangements for identifying objects Tony F. Rodriguez, Sean Calhoon 2021-07-20
10896307 Generating and reading optical codes with variable density to adapt for visual quality and reliability Ravi K. Sharma, Tomas Denemark, Brett A. Bradley, Geoffrey B. Rhoads, Joel R. Meyer 2021-01-19