Inventor
ZHANG LEAH
US19 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG LEAH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T CORP
4 patentsUS6728782B1Apr 27, 2004
Method of verifying newly provisioned customer network route advertisements
AT & T CORP82 citations97
US7664043B1Feb 16, 2010
Method and apparatus for performing reachability testing within the context of customer virtual private networks
AT & T CORP22 citations92
US7181533B2Feb 20, 2007
Method for verifying newly provisioned customer network route advertisements
AT & T CORP9 citations73
US7565449B2Jul 21, 2009
Method for verifying newly provisioned customer network route advertisements
AT & T CORP2 citations62
MERITON NETWORKS US INC
4 patentsUS7277631B1Oct 2, 2007
Method and apparatus for processing protection switching mechanism in optical channel shared protection rings
MERITON NETWORKS US INC17 citations90
US7269346B1Sep 11, 2007
Optical automatic protection switching mechanism for optical channel shared protection rings
MERITON NETWORKS US INC25 citations90
US7715713B1May 11, 2010
Method and apparatus for providing multiple optical channel protection switching mechanisms in optical rings
MERITON NETWORKS US INC11 citations82
US7596313B1Sep 29, 2009
Method and apparatus for processing protection switching mechanism in optical channel shared protection rings
MERITON NETWORKS US INC10 citations82
AT & T IP I LP
3 patentsUS10572322B2Feb 25, 2020
Network control plane design tool
AT & T IP I LP0 citations51
US7881210B2Feb 1, 2011
Method and apparatus for identifying label distribution protocol flapping events
AT & T IP I LP1 citations51
US10511544B2Dec 17, 2019
Path computation element protocol response and simple network management protocol confirmation for tunnel configuration
AT & T IP I LP0 citations42