Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
CA

Christopher A. Ambiel — 3 Patents

DIDigimarc: 3 patents #86 of 189Top 50%
Milwaukie, OR: #80 of 244 inventorsTop 35%
Oregon: #10,188 of 28,073 inventorsTop 40%
Overall (All Time): #1,396,253 of 4,157,543Top 35%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11704765 Artwork generated to convey digital messages, and methods/apparatuses for generating such artwork Ajith M. Kamath, Utkarsh Deshmukh 2023-07-18
11288764 Watermarking arrangements permitting vector graphics editing Ajith M. Kamath, Geoffrey B. Rhoads, Annalou Vincent, Maxfield T. Torke, Jerry Allen McMahan, JR. 2022-03-29
10872392 Generating artistic designs encoded with robust, machine-readable data John Stach, Ravi K. Sharma, Ajith M. Kamath 2020-12-22