Inventor
HEJNA JR DONALD J
US25 patents
⚠️ This page may combine multiple inventors who share the name “HEJNA JR DONALD J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ENOUNCE INC
15 patentsUS7043433B2May 9, 2006
Method and apparatus to determine and use audience affinity and aptitude
ENOUNCE INC114 citations99
US6374225B1Apr 16, 2002
Method and apparatus to prepare listener-interest-filtered works
ENOUNCE INC148 citations99
US6370688B1Apr 9, 2002
Method and apparatus for server broadcast of time-converging multi-media streams
ENOUNCE INC298 citations99
US7464396B2Dec 9, 2008
Transmission and receipt of time-converging multi-media streams
ENOUNCE INC71 citations98
US7100188B2Aug 29, 2006
Method and apparatus for controlling time-scale modification during multi-media broadcasts
ENOUNCE INC67 citations98
US6625656B2Sep 23, 2003
Method and apparatus for continuous playback or distribution of information including audio-visual streamed multimedia
ENOUNCE INC92 citations98
US6934759B2Aug 23, 2005
Method and apparatus for user-time-alignment for broadcast works
ENOUNCE INC43 citations96
US7536300B2May 19, 2009
Method and apparatus to determine and use audience affinity and aptitude
ENOUNCE INC15 citations92
US7299184B2Nov 20, 2007
Method and apparatus to prepare listener-interest-filtered works
ENOUNCE INC12 citations92
US6801888B2Oct 5, 2004
Method and apparatus to prepare listener-interest-filtered works
ENOUNCE INC14 citations92
US6625655B2Sep 23, 2003
Method and apparatus for providing continuous playback or distribution of audio and audio-visual streamed multimedia reveived over networks having non-deterministic delays
ENOUNCE INC35 citations92
US7899668B2Mar 1, 2011
Method and apparatus to prepare listener-interest-filtered works
ENOUNCE INC3 citations74
US7703117B2Apr 20, 2010
Method and apparatus for controlling time-scale modification during multi-media broadcasts
ENOUNCE INC5 citations74
US9185380B2Nov 10, 2015
Method and apparatus to determine and use audience affinity and aptitude
ENOUNCE INC0 citations52
US7802003B2Sep 21, 2010
Method and apparatus for multicasting data on a network at predetermined starting times
ENOUNCE INC0 citations52
HEJNA JR DONALD J
3 patentsUS8566885B2Oct 22, 2013
Method and apparatus for controlling time-scale modification during multi-media broadcasts
HEJNA JR DONALD J5 citations82
US8478599B2Jul 2, 2013
Method and apparatus to determine and use audience affinity and aptitude
HEJNA JR DONALD J1 citations61
US8452589B2May 28, 2013
Method and apparatus to prepare listener-interest-filtered works
HEJNA JR DONALD J1 citations61
VIRENTEM VENTURES LLC
3 patentsUS10614829B2Apr 7, 2020
Method and apparatus to determine and use audience affinity and aptitude
VIRENTEM VENTURES LLC2 citations72
US9343080B2May 17, 2016
Method and apparatus to prepare listener-interest-filtered works
VIRENTEM VENTURES LLC1 citations62
US9860582B2Jan 2, 2018
Method and apparatus for controlling time-scale modification during multi-media broadcasts
VIRENTEM VENTURES LLC0 citations51