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Gene Ma
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Irvine, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Interception call signaling method and apparatus between a gatekeep...
Patent number
7,136,373
Issue date
Nov 14, 2006
Cisco Technology, Inc.
Gene Ma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Voice frame network gatekeeper-to-intelligent peripheral interface...
Patent number
7,006,487
Issue date
Feb 28, 2006
Cisco Technology, Inc.
Gene Ma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
Interception call signaling method and apparatus between a gatekeep...
Publication number
20020018461
Publication date
Feb 14, 2002
Gene Ma
H04 - ELECTRIC COMMUNICATION TECHNIQUE