Inventor
KIEFER MICHAEL GEORGE
US19 patents
⚠️ This page may combine multiple inventors who share the name “KIEFER MICHAEL GEORGE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DIVX LLC
9 patentsUS10856020B2Dec 1, 2020
Systems and methods for distributing content using a common set of encryption keys
DIVX LLC14 citations94
US10341698B2Jul 2, 2019
Systems and methods for distributing content using a common set of encryption keys
DIVX LLC20 citations94
US10244272B2Mar 26, 2019
Systems and methods for playing back alternative streams of protected content protected using common cryptographic information
DIVX LLC21 citations94
US10225588B2Mar 5, 2019
Playback devices and methods for playing back alternative streams of content protected using a common set of cryptographic keys
DIVX LLC23 citations94
US11886545B2Jan 30, 2024
Federated digital rights management scheme including trusted systems
DIVX LLC4 citations86
US11683542B2Jun 20, 2023
Systems and methods for distributing content using a common set of encryption keys
DIVX LLC6 citations86
US10878065B2Dec 29, 2020
Federated digital rights management scheme including trusted systems
DIVX LLC9 citations84
US12470781B2Nov 11, 2025
Federated digital rights management scheme including trusted systems
DIVX LLC0 citations62
US12244878B2Mar 4, 2025
Systems and methods for distributing content using a common set of encryption keys
DIVX LLC0 citations62
SONIC IP INC
4 patentsUS9798863B2Oct 24, 2017
Federated digital rights management scheme including trusted systems
SONIC IP INC36 citations98
US9621522B2Apr 11, 2017
Systems and methods for playing back alternative streams of protected content protected using common cryptographic information
SONIC IP INC39 citations98
US9247311B2Jan 26, 2016
Systems and methods for playing back alternative streams of protected content protected using common cryptographic information
SONIC IP INC54 citations98
US9184920B2Nov 10, 2015
Federated digital rights management scheme including trusted systems
SONIC IP INC40 citations98
KIEFER MICHAEL GEORGE
2 patentsUS8918636B2Dec 23, 2014
Systems and methods for protecting alternative streams in adaptive bitrate streaming systems
KIEFER MICHAEL GEORGE76 citations98
US8909922B2Dec 9, 2014
Systems and methods for playing back alternative streams of protected content protected using common cryptographic information
KIEFER MICHAEL GEORGE68 citations98