May Y. Chan

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Waltham, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus supporting short message services in a wireles...
- Patent number 6,535,746
- Issue date Mar 18, 2003
- Verizon Laboratories Inc.
- I-Hsiang Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and apparatus for local number portability in telecommunica...
- Patent number 6,445,785
- Issue date Sep 3, 2002
- Verizon Laboratories Inc.
- May Y. Chan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for supporting short message services in a wir...
- Patent number 6,240,296
- Issue date May 29, 2001
- Verizon Laboratories Inc.
- I-Hsiang Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for local number portability using nongeograph...
- Patent number 5,764,745
- Issue date Jun 9, 1998
- GTE Laboratories Incorporated
- May Y. Chan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE