Inventor

WANG GUANGLU

US11 patents

⚠️ This page may combine multiple inventors who share the name “WANG GUANGLU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

3COM CORP

6 patents

US7298834B1Nov 20, 2007

System and method for large capacity conference calls

3COM CORP247 citations98

US7702726B1Apr 20, 2010

System and methods for providing presence services in IP network

3COM CORP50 citations94

US6496511B1Dec 17, 2002

Method for preserving preassigned IP addresses in a remote access server

3COM CORP99 citations94

US7127487B1Oct 24, 2006

System and method for sidebar functionality in a regular conference system

3COM CORP56 citations93

US7417988B1Aug 26, 2008

Method and system for network based call-pickup

3COM CORP31 citations92

US7463620B2Dec 9, 2008

Architecture and method for controlling features and services in packet-based networks

3COM CORP5 citations62

UTSTARCOM INC

2 patents

US7069331B2Jun 27, 2006

Trunk group implementation in networks

UTSTARCOM INC9 citations72

US7340047B2Mar 4, 2008

Method for remote service forwarding (RSF) between dissimilar systems with operator, service and location portability

UTSTARCOM INC6 citations54

HEWLETT PACKARD CO

1 patent

US7860089B2Dec 28, 2010

Method and system for network based call-pickup

HEWLETT PACKARD CO19 citations92

(unassigned)

1 patent

US6785374B2Aug 31, 2004

Method and apparatus for providing transaction capabilities application part information in a session initiation protocol system

GRABELSKY DAVID

1 patent

US8539552B1Sep 17, 2013

System and method for network based policy enforcement of intelligent-client features

GRABELSKY DAVID30 citations91