Inventor
CHANG HISAO
US37 patents
⚠️ This page may combine multiple inventors who share the name “CHANG HISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T IP I LP
24 patentsUS9019868B2Apr 28, 2015
Methods and apparatus to manage conference calls
AT & T IP I LP17 citations92
US9734542B2Aug 15, 2017
Methods, systems, and products for measuring health
AT & T IP I LP7 citations84
US8358749B2Jan 22, 2013
System and method to search a media content database based on voice input data
AT & T IP I LP13 citations84
US9461957B2Oct 4, 2016
Method and apparatus for social network communication over a media network
AT & T IP I LP4 citations83
US11191432B2Dec 7, 2021
Wearable health monitoring system
AT & T IP I LP4 citations73
US10314489B2Jun 11, 2019
Wearable health monitoring system
AT & T IP I LP2 citations73
US9300810B2Mar 29, 2016
Methods and apparatus to manage conference calls
AT & T IP I LP1 citations63
US9263047B2Feb 16, 2016
Apparatus and method for providing messages in a social network
AT & T IP I LP1 citations63
US9338518B2May 10, 2016
System for managing media services
AT & T IP I LP1 citations62
US10572960B2Feb 25, 2020
Methods, systems, and products for measuring health
AT & T IP I LP0 citations52
US10243912B2Mar 26, 2019
Apparatus and method for providing messages in a social network
AT & T IP I LP0 citations52
US9536519B2Jan 3, 2017
Method and apparatus to generate a speech recognition library
AT & T IP I LP0 citations52
US9479802B2Oct 25, 2016
Applied automatic demographic analysis
AT & T IP I LP0 citations52
US8914295B2Dec 16, 2014
Apparatus and method for providing messages in a social network
AT & T IP I LP0 citations52
US8600759B2Dec 3, 2013
Methods, systems, and products for measuring health
AT & T IP I LP0 citations52
US8548127B2Oct 1, 2013
System and method to search a media content database based on voice input data
AT & T IP I LP0 citations52
US10032118B2Jul 24, 2018
Method and apparatus for associating micro-blogs with media programs
AT & T IP I LP1 citations51
US9912999B2Mar 6, 2018
System for managing media services
AT & T IP I LP0 citations51
US9307275B2Apr 5, 2016
Method and apparatus for associating micro-blogs with media programs
AT & T IP I LP1 citations51
US9246868B2Jan 26, 2016
Method and apparatus for social network communication over a media network
AT & T IP I LP0 citations51
US8869232B2Oct 21, 2014
System for managing media services
AT & T IP I LP0 citations51
US10244291B2Mar 26, 2019
Authoring system for IPTV network
AT & T IP I LP0 citations50
US9736552B2Aug 15, 2017
Authoring system for IPTV network
AT & T IP I LP0 citations50
US9131285B2Sep 8, 2015
Authoring system for IPTV network
AT & T IP I LP0 citations50
CHANG HISAO
4 patentsUS8607276B2Dec 10, 2013
Systems and methods to select a keyword of a voice search request of an electronic program guide
CHANG HISAO29 citations92
US8744860B2Jun 3, 2014
Apparatus and method for providing messages in a social network
CHANG HISAO8 citations83
US8555330B2Oct 8, 2013
System for managing media services
CHANG HISAO5 citations82
US8825493B2Sep 2, 2014
Method and apparatus for social network communication over a media network
CHANG HISAO2 citations61
NUANCE COMMUNICATIONS INC
3 patentsUS11568736B2Jan 31, 2023
Voice enabled remote control for a set-top box
NUANCE COMMUNICATIONS INC0 citations61
US9852614B2Dec 26, 2017
Voice enabled remote control for a set-top box
NUANCE COMMUNICATIONS INC1 citations61
US9979690B2May 22, 2018
Method and apparatus for social network communication over a media network
NUANCE COMMUNICATIONS INC0 citations51