Yigang Cai

Inventor

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Details

Work History

Patent OwnerApplications FiledYear
SONY CORPORATION
1
2006
LUCENT TECHNOLOGIES INC.
3
1
4
6
4
11
6
22
4
3
1
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2011
LUCENT TECHNOLOGIES INVESTMENT CO., LTD.
2
4
1
2007
2009
2014
ALCATEL LUCENT
1
4
26
29
16
34
24
32
31
20
1
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
ALCATEL-LUCENT USA INC.
1
1
4
6
8
16
10
8
6
7
2
7
2
1999
2000
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
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 - May 19, 15
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 61

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Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
9,036,8002015Billing for calls and routing of billing information in an internet protocol multimedia subsystem0
9,032,4832015Authenticating a communication device and a user of the communication device in an IMS network0
9,026,0752015Session anchor timestamp for interim accounting requests0
9,026,0762015Control of time limit triggers for offline charging0
9,014,7302015Device reachability in LTE networks for text messaging0

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