Yunzhou Li

Inventor

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Work History

Patent OwnerApplications FiledYear
AVAYA HOLDINGS LIMITED
4
1
1999
2000
AVAYA INC.
1
2
2
1999
2000
2006
CIENA CORPORATION
1
2
1999
2000
NORTEL NETWORKS CORPORATION
1
1999
ROCKSTAR CONSORTIUM US LP
5
4
1999
2000
CONSTELLATION TECHNOLOGIES LLC
1
1999
NORTEL NETWORKS LIMITED
2
1999

Inventor Addresses

AddressDuration
351 Pawtucket Blvd. Unit 7, Lowell, MA 01854Jul 15, 03 - Jul 15, 03
351 Pawtucket Blvd., Unit 7, Lowell, MA 01854Apr 06, 04 - Apr 06, 04
Lowell, MAFeb 25, 03 - Oct 28, 08
Lowell, MA, USNov 01, 01 - Feb 01, 11

Technology Profile

Technology # of Patents
G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1
G06F: ELECTRIC DIGITAL DATA PROCESSING 8
H04J: MULTIPLEX COMMUNICATION 1

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Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
7,881,4772011Method for key distribution in a hierarchical multicast traffic security system for an internetwork1
7,444,4222008Multicast when forwarding information is unknown7
7,269,7282007Apparatus and method for distributing management keys in a multicast domain7
7,233,5672007Apparatus and method for supporting multiple traffic redundancy mechanisms12
2007/0110,2482007Method for key distribution in a hierarchical multicast traffic security system for an internetwork11

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