John O. Ryan

MA Macrovision: 44 patents #2 of 69Top 3%

AM Ampex: 16 patents #2 of 247Top 1%

RT Rovi Technologies: 10 patents #6 of 59Top 15%

CA Command Audio: 4 patents #3 of 14Top 25%

DI Digimarc: 1 patents #122 of 189Top 65%

MI Microvision: 1 patents #107 of 190Top 60%

🗺 California: #3,647 of 386,348 inventorsTop 1%

Overall (All Time): #24,473 of 4,157,543Top 1%

Patents All Time

Issued Patents All Time

Showing 76–77 of 77 patents

Patent #	Title	Co-Inventors	Date
4229767	Beam control circuit for diode-gun type camera tubes	—	1980-10-21
4229830	Apparatus and method for providing a modulation format for multiple wideband signal transmission	—	1980-10-21