Inventor
LEUNG ELSIE Y
US25 patents
⚠️ This page may combine multiple inventors who share the name “LEUNG ELSIE Y”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INDEX SYSTEMS INC
9 patentsUS6687906B1Feb 3, 2004
EPG with advertising inserts
INDEX SYSTEMS INC137 citations99
US6147715ANov 14, 2000
Combination of VCR index and EPG
INDEX SYSTEMS INC238 citations99
US6606747B1Aug 12, 2003
System and method for grazing television channels from an electronic program guide
INDEX SYSTEMS INC36 citations96
US6441862B1Aug 27, 2002
Combination of VCR index and EPG
INDEX SYSTEMS INC54 citations96
US6177931B1Jan 23, 2001
Systems and methods for displaying and recording control interface with television programs, video, advertising information and program scheduling information
INDEX SYSTEMS INC4,348 citations96
US6125231ASep 26, 2000
Method of adding titles to a directory of television programs recorded on a video tape
INDEX SYSTEMS INC68 citations95
US7663700B2Feb 16, 2010
Combination of recorded program index and EPG
INDEX SYSTEMS INC22 citations93
US7499628B2Mar 3, 2009
Enhancing operations of video tape cassette players
INDEX SYSTEMS INC22 citations92
US7594243B2Sep 22, 2009
System and method for grazing television channels from an electronic program guide
INDEX SYSTEMS INC2 citations63
GEMSTAR DEV CORP
6 patentsUS6477705B1Nov 5, 2002
Method and apparatus for transmitting, storing, and processing electronic program guide data for on-screen display
GEMSTAR DEV CORP331 citations99
US5886746AMar 23, 1999
Method for channel scanning
GEMSTAR DEV CORP224 citations99
US5673089ASep 30, 1997
Apparatus and method for channel scanning by theme
GEMSTAR DEV CORP166 citations99
US9191722B2Nov 17, 2015
System and method for modifying advertisement responsive to EPG information
GEMSTAR DEV CORP16 citations90
US9015749B2Apr 21, 2015
System and method for modifying advertisement responsive to EPG information
GEMSTAR DEV CORP2 citations60
US8918807B2Dec 23, 2014
System and method for modifying advertisement responsive to EPG information
GEMSTAR DEV CORP2 citations60
YUEN HENRY C
4 patentsUS8272011B2Sep 18, 2012
Method and system for displaying advertisements between schedule listings
YUEN HENRY C35 citations92
US8134645B2Mar 13, 2012
Combination of recorded program index and EPG
YUEN HENRY C9 citations84
US9055341B2Jun 9, 2015
Combination of recorded program index and EPG
YUEN HENRY C2 citations63
US8914828B2Dec 16, 2014
System and method for grazing television channels from an electronic program guide
YUEN HENRY C1 citations63