Inventor
CHANG HISAO M
US41 patents
⚠️ This page may combine multiple inventors who share the name “CHANG HISAO M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T IP I LP
12 patentsUS7460652B2Dec 2, 2008
VoiceXML and rule engine based switchboard for interactive voice response (IVR) services
AT & T IP I LP294 citations99
US7657005B2Feb 2, 2010
System and method for identifying telephone callers
AT & T IP I LP58 citations98
US7912201B2Mar 22, 2011
Directory assistance dialog with configuration switches to switch from automated speech recognition to operator-assisted dialog
AT & T IP I LP11 citations84
US7881451B2Feb 1, 2011
Automated directory assistance system for a hybrid TDM/VoIP network
AT & T IP I LP10 citations84
US7873029B2Jan 18, 2011
System and method of providing multimedia communication services
AT & T IP I LP7 citations80
US7443960B2Oct 28, 2008
Method and system for an automated departure strategy
AT & T IP I LP5 citations74
US9524719B2Dec 20, 2016
Bio-phonetic multi-phrase speaker identity verification
AT & T IP I LP0 citations52
US9497511B2Nov 15, 2016
Methods and apparatus to generate relevance rankings for use by a program selector of a media presentation system
AT & T IP I LP0 citations52
US9473641B2Oct 18, 2016
System and method for automatically transcribing voicemail
AT & T IP I LP0 citations52
US9277287B2Mar 1, 2016
Methods and apparatus to generate relevance rankings for use by a program selector of a media presentation system
AT & T IP I LP0 citations52
US9179001B2Nov 3, 2015
System and method for automatically transcribing voicemail
AT & T IP I LP0 citations52
US7848509B2Dec 7, 2010
Network-based voice activated auto-attendant service with B2B connectors
AT & T IP I LP1 citations52
CHANG HISAO M
12 patentsUS9357921B2Jun 7, 2016
Wearable health monitoring system
CHANG HISAO M23 citations92
US8229748B2Jul 24, 2012
Methods and apparatus to present a video program to a visually impaired person
CHANG HISAO M16 citations92
US8090086B2Jan 3, 2012
VoiceXML and rule engine based switchboard for interactive voice response (IVR) services
CHANG HISAO M15 citations84
US8199888B2Jun 12, 2012
System and method for automatically transcribing voicemail
CHANG HISAO M6 citations83
US9135809B2Sep 15, 2015
Voice enabled remote control for a set-top box
CHANG HISAO M11 citations82
US9202460B2Dec 1, 2015
Methods and apparatus to generate a speech recognition library
CHANG HISAO M2 citations62
US8768703B2Jul 1, 2014
Methods and apparatus to present a video program to a visually impaired person
CHANG HISAO M3 citations62
US9236051B2Jan 12, 2016
Bio-phonetic multi-phrase speaker identity verification
CHANG HISAO M0 citations52
US9077933B2Jul 7, 2015
Methods and apparatus to generate relevance rankings for use by a program selector of a media presentation system
CHANG HISAO M0 citations52
US8792623B2Jul 29, 2014
System and method for automatically transcribing voicemail
CHANG HISAO M0 citations51
US8739240B2May 27, 2014
Authoring system for IPTV network
CHANG HISAO M0 citations49
US8634410B2Jan 21, 2014
System and method of providing multimedia communication services
CHANG HISAO M0 citations48
SBC PROPERTIES LP
4 patentsUS7222072B2May 22, 2007
Bio-phonetic multi-phrase speaker identity verification
SBC PROPERTIES LP121 citations99
US6714631B1Mar 30, 2004
Method and system for an automated departure strategy
SBC PROPERTIES LP108 citations99
US7146383B2Dec 5, 2006
Method and system for an automated disambiguation
SBC PROPERTIES LP26 citations89
US7062018B2Jun 13, 2006
Method and system for an automated departure strategy
SBC PROPERTIES LP12 citations84
SBC TECHN RES INC
3 patentsUS6792096B2Sep 14, 2004
Directory assistance dialog with configuration switches to switch from automated speech recognition to operator-assisted dialog
SBC TECHN RES INC91 citations98
US7050560B2May 23, 2006
Directory assistance dialog with configuration switches to switch from automated speech recognition to operator-assisted dialog
SBC TECHN RES INC13 citations93
US7136476B2Nov 14, 2006
Directory assistance dialog with configuration switches to switch from automated speech recognition to operator-assisted dialog
SBC TECHN RES INC2 citations63