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Heidi Ou
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Saratoga, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Distributing network path information in a network environment
Patent number
10,389,618
Issue date
Aug 20, 2019
Cisco Technology, Inc.
Heidi Ou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Protocol independent multicast designated router redundancy
Patent number
9,992,099
Issue date
Jun 5, 2018
Cisco Technology, Inc.
Yiqun Cai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bandwidth utilization for equal cost multiple paths
Patent number
9,240,942
Issue date
Jan 19, 2016
Cisco Technology, Inc.
Yiqun Cai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optimizing OTV multicast traffic flow for site local receivers
Patent number
9,112,711
Issue date
Aug 18, 2015
Cisco Technology, Inc.
Heidi H. Ou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Protocol independent multicast designated router redundancy
Patent number
9,071,546
Issue date
Jun 30, 2015
Cisco Technology, Inc.
Yiqun Cai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multicast data delivery over mixed multicast and non-multicast netw...
Patent number
9,008,118
Issue date
Apr 14, 2015
Cisco Technology, Inc.
Yongkui Han
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Enhancing mtrace to detect failure in multicast diverse paths
Patent number
8,948,023
Issue date
Feb 3, 2015
Cisco Technology, Inc.
Heidi H. Ou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optimizing OTV multicast traffic flow for site local receivers
Patent number
8,774,076
Issue date
Jul 8, 2014
Cisco Technology, Inc.
Heidi H. Ou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for providing a path avoidance feature in a netwo...
Patent number
8,711,853
Issue date
Apr 29, 2014
Cisco Technology, Inc.
Yiqun Cai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network based multicast stream duplication and merging
Patent number
8,184,628
Issue date
May 22, 2012
Cisco Technology, Inc.
Yiqun Cai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system to restart IS-IS when LSP wraps
Patent number
8,072,907
Issue date
Dec 6, 2011
Cisco Technolgy, Inc.
Steven V. Luong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for flooding link state packets to achieve fas...
Patent number
7,805,537
Issue date
Sep 28, 2010
Cisco Technology, Inc.
Steven V. Luong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for transmitting LSP fragments
Patent number
7,656,856
Issue date
Feb 2, 2010
Cisco Technology, Inc.
Heidi Ou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for flooding link state packets to achieve fas...
Patent number
7,467,226
Issue date
Dec 16, 2008
Cisco Technology, Inc.
Steven V. Luong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and methods for updating stale link state packets and rou...
Patent number
7,453,811
Issue date
Nov 18, 2008
Cisco Technology, Inc.
Steven V. Luong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
DISTRIBUTING NETWORK PATH INFORMATION IN A NETWORK ENVIRONMENT
Publication number
20180212861
Publication date
Jul 26, 2018
Cisco Technology, Inc.
Heidi Ou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PROTOCOL INDEPENDENT MULTICAST DESIGNATED ROUTER REDUNDANCY
Publication number
20150249594
Publication date
Sep 3, 2015
Cisco Technology, Inc.
Yiqun Cai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTIMIZING OTV MULTICAST TRAFFIC FLOW FOR SITE LOCAL RECEIVERS
Publication number
20140294003
Publication date
Oct 2, 2014
Heidi H. Ou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MULTICAST DATA DELIVERY OVER MIXED MULTICAST AND NON-MULTICAST NETW...
Publication number
20130308637
Publication date
Nov 21, 2013
Cisco Technology, Inc.
Yongkui Han
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Protocol independent multicast designated router redundancy
Publication number
20120294308
Publication date
Nov 22, 2012
Cisco Technology, Inc.
Yiqun Cai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Bandwidth utilization for equal cost multiple paths
Publication number
20120218898
Publication date
Aug 30, 2012
Cisco Technology, Inc.
Yiqun Cai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTIMIZING OTV MULTICAST TRAFFIC FLOW FOR SITE LOCAL RECEIVERS
Publication number
20120201244
Publication date
Aug 9, 2012
Cisco Technology, Inc.
Heidi H. Ou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ENHANCING MTRACE TO DETECT FAILURE IN MULTICAST DIVERSE PATHS
Publication number
20120051231
Publication date
Mar 1, 2012
Cisco Technology, Inc.
Heidi H. Ou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEM AND METHOD FOR PROVIDING A PATH AVOIDANCE FEATURE IN A NETWO...
Publication number
20110317695
Publication date
Dec 29, 2011
Cisco Technology, Inc.
Yiqun Cai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Network based multicast stream duplication and merging
Publication number
20110051727
Publication date
Mar 3, 2011
Cisco Technology, Inc.
Yiqun Cai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR FLOODING LINK STATE PACKETS TO ACHIEVE FAS...
Publication number
20090092052
Publication date
Apr 9, 2009
Cisco Technology, Inc.
Steven V. Luong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and system to restart IS-IS when LSP wraps
Publication number
20060245429
Publication date
Nov 2, 2006
Cisco Technology, Inc.
Steven V. Luong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and system for transmitting LSP fragments
Publication number
20060245372
Publication date
Nov 2, 2006
Cisco Technology, Inc.
Heidi Ou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for flooding link state packets to achieve fas...
Publication number
20060072461
Publication date
Apr 6, 2006
Cisco Technology, Inc.
Steven V. Luong
H04 - ELECTRIC COMMUNICATION TECHNIQUE