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Fremont, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Voice mail call out method and apparatus
Patent number
6,909,780
Issue date
Jun 21, 2005
Altigen Communications, Inc.
Gilbert Hu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Mixed-media communication apparatus and method
Patent number
6,532,230
Issue date
Mar 11, 2003
Altigen Communications, Inc.
En-Kuang Lung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Analog caller identification transmission method and apparatus
Patent number
6,493,439
Issue date
Dec 10, 2002
Altigen Communications, Inc.
En-Kuang Lung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Analog caller identification transmission method and apparatus
Patent number
6,292,549
Issue date
Sep 18, 2001
Altigen Communications, Inc.
En-Kuang Lung
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
Analog caller identification transmission method and apparatus
Publication number
20020064264
Publication date
May 30, 2002
AltiGen Communications, Inc.
En-Kuang Lung
H04 - ELECTRIC COMMUNICATION TECHNIQUE