Inventor
LI CHIA-CHANG
US34 patents
⚠️ This page may combine multiple inventors who share the name “LI CHIA-CHANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
COMCAST CABLE COMM LLC
14 patentsUS11611655B2Mar 21, 2023
Systems and methods for processing calls
COMCAST CABLE COMM LLC2 citations71
US11575794B2Feb 7, 2023
Routing VOIP traffic
COMCAST CABLE COMM LLC2 citations70
US10944873B2Mar 9, 2021
Routing VOIP traffic
COMCAST CABLE COMM LLC3 citations70
US12244758B2Mar 4, 2025
Systems and methods for processing calls
COMCAST CABLE COMM LLC0 citations62
US11722595B2Aug 8, 2023
Systems and methods for processing calls
COMCAST CABLE COMM LLC0 citations62
US12568174B2Mar 3, 2026
Routing VOIP traffic
COMCAST CABLE COMM LLC0 citations60
US12149656B2Nov 19, 2024
Systems and methods for processing calls
COMCAST CABLE COMM LLC0 citations60
US11924383B2Mar 5, 2024
Routing VOIP traffic
COMCAST CABLE COMM LLC0 citations60
US12206580B2Jan 21, 2025
Dynamic loop detection and suppression
COMCAST CABLE COMM LLC0 citations58
US11848866B2Dec 19, 2023
Dynamic loop detection and suppression
COMCAST CABLE COMM LLC0 citations58
US11349760B2May 31, 2022
Dynamic loop detection and suppression
COMCAST CABLE COMM LLC0 citations58
US12063258B2Aug 13, 2024
Voice service routing system for accessibility
COMCAST CABLE COMM LLC1 citations57
US9288318B2Mar 15, 2016
Inbound call screening for particular accounts
COMCAST CABLE COMM LLC0 citations51
US10715436B2Jul 14, 2020
Dynamic loop detection and suppression
COMCAST CABLE COMM LLC0 citations48
IND TECH RES INST
6 patentsUS11238624B2Feb 1, 2022
Image transform method and image transform network
IND TECH RES INST2 citations71
US9117138B2Aug 25, 2015
Method and apparatus for object positioning by using depth images
IND TECH RES INST2 citations61
US11754446B2Sep 12, 2023
Thermal imaging apparatus and temperature calibration method of thermal imaging apparatus
IND TECH RES INST0 citations51
US12307690B2May 20, 2025
Multi-modal image alignment method and system
IND TECH RES INST0 citations49
US10890979B2Jan 12, 2021
Controlling system and controlling method for virtual display
IND TECH RES INST0 citations49
US10474893B2Nov 12, 2019
Electronic device, iris recognition method and computer-readable medium
IND TECH RES INST0 citations39
LUCENT TECHNOLOGIES INC
5 patentsUS5953344ASep 14, 1999
Method and apparatus enabling enhanced throughput efficiency by use of dynamically adjustable mini-slots in access protocols for shared transmission media
LUCENT TECHNOLOGIES INC277 citations98
US5570355AOct 29, 1996
Method and apparatus enabling synchronous transfer mode and packet mode access for multiple services on a broadband communication network
LUCENT TECHNOLOGIES INC485 citations98
US6813277B2Nov 2, 2004
Method and apparatus enabling multiple access on a broadband communication network
LUCENT TECHNOLOGIES INC47 citations92
US6215767B1Apr 10, 2001
Quality of service adjustment and traffic shaping on a multiple access network
LUCENT TECHNOLOGIES INC29 citations92
US6876852B1Apr 5, 2005
Integrated cable and cellular network
LUCENT TECHNOLOGIES INC66 citations91
AT & T CORP
4 patentsUS6049829AApr 11, 2000
Information access system and method
AT & T CORP130 citations98
US6389471B1May 14, 2002
Network broadcasting system for broadcasting audiovisual information to an identified audience
AT & T CORP48 citations96
US6301667B1Oct 9, 2001
Method and system for secure network management of high-speed internet access CPE
AT & T CORP17 citations76
US6941373B2Sep 6, 2005
Network communications system and method for worldwide web broadcasting
AT & T CORP9 citations74