Inventor
PETERKA PETR
US40 patents
⚠️ This page may combine multiple inventors who share the name “PETERKA PETR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GEN INSTRUMENT CORP
14 patentsUS6948183B1Sep 20, 2005
Dynamic security for digital television receivers
GEN INSTRUMENT CORP221 citations99
US7243366B2Jul 10, 2007
Key management protocol and authentication system for secure internet protocol rights management architecture
GEN INSTRUMENT CORP115 citations98
US8364951B2Jan 29, 2013
System for digital rights management using distributed provisioning and authentication
GEN INSTRUMENT CORP36 citations94
US7818792B2Oct 19, 2010
Method and system for providing third party authentication of authorization
GEN INSTRUMENT CORP54 citations94
US7237108B2Jun 26, 2007
Encryption of streaming control protocols and their headers
GEN INSTRUMENT CORP48 citations93
US7404082B2Jul 22, 2008
System and method for providing authorized access to digital content
GEN INSTRUMENT CORP23 citations92
US7487534B1Feb 3, 2009
Application programming interface (API) for accessing and managing resources in digital television receiver
GEN INSTRUMENT CORP34 citations89
US7877600B2Jan 25, 2011
Method and apparatus for distributing root certification
GEN INSTRUMENT CORP13 citations84
US7356687B2Apr 8, 2008
Association of security parameters for a collection of related streaming protocols
GEN INSTRUMENT CORP10 citations84
US7551738B2Jun 23, 2009
Separation of copy protection rules
GEN INSTRUMENT CORP16 citations79
US7251328B2Jul 31, 2007
System for secure decryption of streaming media using selective decryption of header information and decryption of reassembled content
GEN INSTRUMENT CORP7 citations66
US7310809B2Dec 18, 2007
Scalable pay-by-time technique for secure multicast distribution of streaming content
GEN INSTRUMENT CORP4 citations63
US7953668B2May 31, 2011
Method and apparatus for reserving digital rights
GEN INSTRUMENT CORP1 citations52
US7865723B2Jan 4, 2011
Method and apparatus for multicast delivery of program information
GEN INSTRUMENT CORP0 citations42
PETERKA PETR
7 patentsUS8214630B2Jul 3, 2012
Method and apparatus for controlling enablement of JTAG interface
PETERKA PETR11 citations83
US8825551B2Sep 2, 2014
Digital rights management for local recording and home network distribution
PETERKA PETR2 citations62
US9253165B2Feb 2, 2016
Digital rights domain management for secure content distribution in a local network
PETERKA PETR2 citations61
US9171569B2Oct 27, 2015
Method and apparatus for assisting with content key changes
PETERKA PETR0 citations41
US9516364B2Dec 6, 2016
Secure transcoding of content
PETERKA PETR0 citations40
US9154508B2Oct 6, 2015
Domain membership rights object
PETERKA PETR0 citations39
US8873760B2Oct 28, 2014
Service key delivery system
PETERKA PETR0 citations39
VERIMATRIX INC
4 patentsUS9648022B2May 9, 2017
Digital rights domain management for secure content distribution in a local network
VERIMATRIX INC32 citations93
US9900306B2Feb 20, 2018
Device authentication for secure key retrieval for streaming media players
VERIMATRIX INC10 citations80
US9847979B2Dec 19, 2017
Security and key management of digital content
VERIMATRIX INC15 citations77
US10454671B2Oct 22, 2019
Securing communication in a playback device with a control module using a key contribution
VERIMATRIX INC2 citations68
ZHANG JIANG
4 patentsUS8185049B2May 22, 2012
Multi-mode device registration
ZHANG JIANG15 citations84
US9538355B2Jan 3, 2017
Method of targeted discovery of devices in a network
ZHANG JIANG4 citations73
US8788810B2Jul 22, 2014
Temporary registration of devices
ZHANG JIANG3 citations63
US8638929B2Jan 28, 2014
System and method for encrypting and decrypting data
ZHANG JIANG0 citations51