Yigang Cai

Inventor

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Work History

Patent OwnerApplications FiledYear
SONY CORPORATION
1
2006
LUCENT TECHNOLOGIES INC.
3
1
4
6
4
11
6
22
7
3
1
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2011
LUCENT TECHNOLOGIES INVESTMENT CO., LTD.
4
2009
ALCATEL LUCENT
1
4
26
22
14
33
23
29
26
6
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
ALCATEL-LUCENT USA INC.
1
1
4
6
8
16
9
9
7
7
2
8
3
1999
2000
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
SOUND VIEW INNOVATIONS, LLC
2
4
2
2
4
2002
2006
2008
2009
2010
Alcatel Lucant
1
2006

Inventor Addresses

AddressDuration
Naperville, ILJan 23, 01 - Dec 04, 08
Naperville, IL, USDec 20, 01 - Oct 14, 14
Napervlle, IL, USMay 17, 12 - May 17, 12
US -

Technology Profile

Technology # of Patents
G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1
G05B: CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1
G06F: ELECTRIC DIGITAL DATA PROCESSING 70

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Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
8,861,4042014Storing access network information for an IMS user in a subscriber profile0
8,855,5972014User equipment timestamps for offline charging in IMS networks0
8,855,6892014Direct SMS message delivery over broadband data networks through an SMS-C0
2014/0295,7912014NOTIFICATION OF CHARGING RATE ADJUSTMENTS IN REGIONS OF A MOBILE NETWORK TO CONTROL BANDWIDTH USAGE IN THE REGIONS0
8,848,6042014Application-originated text messages delivered over a packet-switched network0

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