Inventor
CHAN FRANCIS YEE-DUG
US25 patents
⚠️ This page may combine multiple inventors who share the name “CHAN FRANCIS YEE-DUG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DIVX LLC
13 patentsUS11102553B2Aug 24, 2021
Systems and methods for secure playback of encrypted elementary bitstreams
DIVX LLC10 citations93
US10212486B2Feb 19, 2019
Elementary bitstream cryptographic material transport systems and methods
DIVX LLC19 citations93
US10484749B2Nov 19, 2019
Systems and methods for secure playback of encrypted elementary bitstreams
DIVX LLC11 citations92
US11886545B2Jan 30, 2024
Federated digital rights management scheme including trusted systems
DIVX LLC4 citations86
US11190497B2Nov 30, 2021
Systems and methods for application identification
DIVX LLC5 citations84
US10878065B2Dec 29, 2020
Federated digital rights management scheme including trusted systems
DIVX LLC9 citations84
US10341306B2Jul 2, 2019
Systems and methods for application identification
DIVX LLC3 citations84
US11870758B2Jan 9, 2024
Systems and methods for application identification
DIVX LLC1 citations73
US12470781B2Nov 11, 2025
Federated digital rights management scheme including trusted systems
DIVX LLC0 citations62
US12355736B2Jul 8, 2025
Systems and methods for application identification
DIVX LLC0 citations62
US12184943B2Dec 31, 2024
Systems and methods for secure playback of encrypted elementary bitstreams
DIVX LLC0 citations62
US12506916B2Dec 23, 2025
Systems and methods for multimedia swarms
DIVX LLC0 citations61
US11825142B2Nov 21, 2023
Systems and methods for multimedia swarms
DIVX LLC1 citations61
SONIC IP INC
6 patentsUS9798863B2Oct 24, 2017
Federated digital rights management scheme including trusted systems
SONIC IP INC36 citations98
US9184920B2Nov 10, 2015
Federated digital rights management scheme including trusted systems
SONIC IP INC40 citations98
US9706259B2Jul 11, 2017
Elementary bitstream cryptographic material transport systems and methods
SONIC IP INC35 citations97
US9124773B2Sep 1, 2015
Elementary bitstream cryptographic material transport systems and methods
SONIC IP INC42 citations97
US9794233B2Oct 17, 2017
Systems and methods for application identification
SONIC IP INC6 citations84
US9268923B2Feb 23, 2016
Systems and methods for application identification
SONIC IP INC8 citations84
GRAB ERIC WILLIAM
4 patentsUS8656183B2Feb 18, 2014
Federated digital rights management scheme including trusted systems
GRAB ERIC WILLIAM36 citations97
US9092646B2Jul 28, 2015
Systems and methods for identifying consumer electronic products based on a product identifier
GRAB ERIC WILLIAM15 citations83
US8799647B2Aug 5, 2014
Systems and methods for application identification
GRAB ERIC WILLIAM7 citations83
US8938625B2Jan 20, 2015
Systems and methods for securing cryptographic data using timestamps
GRAB ERIC WILLIAM2 citations62