Yigang Cai

Inventor

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Work History

Patent OwnerApplications FiledYear
WSOU INVESTMENTS, LLC
3
1
2
4
6
3
4
4
8
3
1999
2000
2001
2006
2007
2008
2009
2010
2011
2013
SONY CORPORATION
1
2006
LUCENT TECHNOLOGIES INC.
3
1
4
6
4
11
6
22
6
2
1
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2011
LUCENT TECHNOLOGIES INVESTMENT CO., LTD.
2
5
2
2007
2009
2014
ALCATEL LUCENT
1
4
24
25
22
33
24
25
38
26
21
14
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
ALCATEL-LUCENT USA INC.
1
1
4
6
8
14
9
6
7
4
3
6
16
9
3
1999
2000
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2014
2015
2016
SOUND VIEW INNOVATIONS, LLC
2
4
2
2
4
2002
2006
2008
2009
2010
NOKIA TECHNOLOGIES OY
1
2016
Alcatel Lucant
1
2006
PROVENANCE ASSET GROUP LLC
1
2
4
6
10
16
15
12
2
10
9
2
6
1
2000
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015

Inventor Addresses

AddressDuration
Naperville, ILJan 23, 01 - Dec 04, 08
Naperville, IL, USDec 20, 01 - Feb 13, 18
Napervlle, IL, USMay 17, 12 - May 17, 12
US -

Technology Profile

Technology Matters
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 63

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Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
98945602018Method and device for controlling QOS and/or policy and charging control of a guest user0
98830522018Systems and methods for avoiding double accounting upon session failover0
2017/0374,2032017SYSTEMS AND METHODS FOR AVOIDING DOUBLE ACCOUNTING UPON SESSION FAILOVER0
98480912017Interim billing for sessions in IMS networks0
98480902017Offline charging per service data flow0

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