Hui Dai

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Itasca, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Telephone recording and storing arbitrary keystrokes sequence with...
- Patent number 8,218,533
- Issue date Jul 10, 2012
- Hewlett-Packard Development Company, L.P.
- Vikas Vashisht
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone recording and storing arbitrary keystrokes sequence with...
- Patent number 7,526,081
- Issue date Apr 28, 2009
- 3Com Corporation
- Vikas Vashisht
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for implementing a presence-based universal ca...
- Patent number 7,480,260
- Issue date Jan 20, 2009
- 3Com Corporation
- Vikas Vashisht
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for device-based call park and pick-up
- Patent number 7,440,440
- Issue date Oct 21, 2008
- 3Com Corporation
- Jaideep Abichandani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR HEADER COMPRESSION FOR CDMA EVDO SYSTEMS
- Publication number 20100003928
- Publication date Jan 7, 2010
- MOTOROLA, INC.
- Dah-Lain Almon Tang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TELEPHONE RECORDING AND STORING ARBITRARY KEYSTROKES SEQUENCE WITH...
- Publication number 20090175270
- Publication date Jul 9, 2009
- 3Com Corporation
- Vikas Vashisht
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System, method and handset for sharing a call in a VoIP system
- Publication number 20070293220
- Publication date Dec 20, 2007
- MOTOROLA, INC.
- Jerry J. Mahler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE