Inventor
HUANG ALEXANDER LISHENG
US12 patents
⚠️ This page may combine multiple inventors who share the name “HUANG ALEXANDER LISHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SBC TECHN RES INC
5 patentsUS6891940B1May 10, 2005
System and method for providing remote access to telecommunications services
SBC TECHN RES INC85 citations96
US6693897B1Feb 17, 2004
Method and system of screening and control of telephone calls while using a packet-switched data network
SBC TECHN RES INC93 citations96
US6914970B2Jul 5, 2005
Monitoring and overriding features for telephone service system
SBC TECHN RES INC15 citations89
US7415007B2Aug 19, 2008
Method and system of screening and control of telephone calls while using a packet-switched data network
SBC TECHN RES INC12 citations83
US7433456B2Oct 7, 2008
Monitoring and overriding features for telephone service system
SBC TECHN RES INC8 citations70
AT & T IP I LP
3 patentsUS7508817B2Mar 24, 2009
Method and apparatus for measuring data transport quality over an internet protocol
AT & T IP I LP4 citations62
US9060055B2Jun 16, 2015
Monitoring and overriding features for telephone service system
AT & T IP I LP0 citations51
US8855288B2Oct 7, 2014
Monitoring and overriding features for telephone service system
AT & T IP I LP0 citations51