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
5
3
1
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2011
LUCENT TECHNOLOGIES INVESTMENT CO., LTD.
4
1
2009
2014
ALCATEL LUCENT
1
4
26
22
14
33
23
29
26
9
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
ALCATEL-LUCENT USA INC.
1
1
4
6
8
16
11
9
6
7
2
8
1
1
1999
2000
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
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 - Nov 27, 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
2014/0349,6062014DIFFERENTIAL ONLINE CHARGING FOR TEXT MESSAGES BASED ON NETWORK TYPE0
8,886,1682014Selective first delivery attempt (FDA) processing for text messages0
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

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