Inventor
O'BRIEN MARK
US27 patents
⚠️ This page may combine multiple inventors who share the name “O'BRIEN MARK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
REALNETWORKS INC
6 patentsUS6985932B1Jan 10, 2006
Multimedia communications system and method for providing audio on demand to subscribers
REALNETWORKS INC172 citations98
US6151634ANov 21, 2000
Audio-on-demand communication system
REALNETWORKS INC467 citations98
US5793980AAug 11, 1998
Audio-on-demand communication system
REALNETWORKS INC756 citations98
US7349976B1Mar 25, 2008
Audio-on-demand communication system
REALNETWORKS INC146 citations97
US7500011B2Mar 3, 2009
Audio-on-demand communication system
REALNETWORKS INC12 citations92
US7464175B1Dec 9, 2008
Audio-on demand communication system
REALNETWORKS INC9 citations83
SPECTRAREP LLC
4 patentsUS10085235B2Sep 25, 2018
Method and system for datacasting and content management
SPECTRAREP LLC7 citations79
US11019600B2May 25, 2021
Method and system for datacasting and content management
SPECTRAREP LLC2 citations68
US10187670B2Jan 22, 2019
Method and system for datacasting and content management
SPECTRAREP LLC2 citations68
US10021435B2Jul 10, 2018
Method and system for datacasting and content management
SPECTRAREP LLC2 citations68