Inventor
CHIU ANGELA LAN
US14 patents
⚠️ This page may combine multiple inventors who share the name “CHIU ANGELA LAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LI GUANGZHI
4 patentsUS8515280B1Aug 20, 2013
Physically-diverse routing in heterogeneous optical networks
LI GUANGZHI21 citations90
US8260133B2Sep 4, 2012
Standby restoration signaling for optical networks
LI GUANGZHI11 citations83
US8989018B2Mar 24, 2015
Method and apparatus for providing a route recommendation
LI GUANGZHI4 citations69
US8687956B2Apr 1, 2014
Standby restoration signaling for optical networks
LI GUANGZHI2 citations61
AT & T CORP
4 patentsUS7171070B1Jan 30, 2007
Arrangement for low cost path protection for optical communications networks
AT & T CORP12 citations83
US7228027B1Jun 5, 2007
Arrangement for low cost path protection for optical communications networks
AT & T CORP7 citations73
US7389018B1Jun 17, 2008
Arrangement for low cost path protection for optical communications networks
AT & T CORP6 citations62
US7551816B1Jun 23, 2009
Arrangement for low cost path protection for optical communications networks
AT & T CORP0 citations51
AT & T IP II LP
2 patentsUS7859993B1Dec 28, 2010
Two-phase fast reroute with optimized traffic engineering
AT & T IP II LP55 citations96
US7769296B1Aug 3, 2010
Arrangement for reducing multiplexing and demultiplexing cost in ultra long haul (ULH) all-optical networks by minimizing number of required mux/demux groups
AT & T IP II LP7 citations70