JR

John O. Ryan

MA Macrovision: 4 patents #2 of 10Top 20%
DI Digimarc: 1 patents #6 of 28Top 25%
🗺 California: #1,357 of 26,763 inventorsTop 6%
Overall (2002): #14,915 of 266,432Top 6%
4
Patents 2002

Issued Patents 2002

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6411713 Method of adaptive control of the presence of a copy protection signal 2002-06-25
6404889 Protection of a component video signal Kordian Kurowski, Ronald Quan 2002-06-11
6381367 Method and apparatus for compression compatible video fingerprinting 2002-04-30
6374036 Method and apparatus for copy-once watermark for video recording Patrice Capitant, Clayton L. Davidson, James R. Holzgrafe, Kordian Kurowski, Andrew Mellows +1 more 2002-04-16