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Young-fu Chang
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Buffalo Grove, IL, US
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last 30 patents
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Patent Grant
Architecture to support service features for wireless calls in a wi...
Patent number
7,062,265
Issue date
Jun 13, 2006
Lucent Technologies Inc.
Young-fu Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dynamic adjustment of timers in a communication network
Patent number
6,724,732
Issue date
Apr 20, 2004
Lucent Technologies Inc.
Robert J. Abrams
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multimedia conference call participant identification system and me...
Patent number
6,304,648
Issue date
Oct 16, 2001
Lucent Technologies Inc.
Young-Fu Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communications between the public switched telephone network and pa...
Patent number
6,198,738
Issue date
Mar 6, 2001
Lucent Technologies Inc.
Young-fu Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for enhancing resource reservation communication
Patent number
6,058,113
Issue date
May 2, 2000
Lucent Technologies, Inc.
Young-fu Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for enhancing the reliability of a wireless telecommunicatio...
Patent number
5,835,564
Issue date
Nov 10, 1998
Lucent Technologies Inc.
Young-fu Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for delivering enhanced caller identification service in a t...
Patent number
5,771,283
Issue date
Jun 23, 1998
Lucent Technologies Inc.
Young-fu Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE