Inventor
LI DE FU
US10 patents
⚠️ This page may combine multiple inventors who share the name “LI DE FU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CISCO TECH INC
5 patentsUS7801040B1Sep 21, 2010
Node registration technique implemented in access networks
CISCO TECH INC16 citations82
US7395309B1Jul 1, 2008
Modem activity detection
CISCO TECH INC11 citations79
US9503180B2Nov 22, 2016
Interference detection and avoidance in a telecommunication network
CISCO TECH INC4 citations71
US9237116B2Jan 12, 2016
Network system time domain re-stamping
CISCO TECH INC0 citations51
US7839773B2Nov 23, 2010
Modem timing offset compensation for line card redundancy failover
CISCO TECH INC0 citations49
COMCAST CABLE COMM LLC
3 patentsUS11758362B2Sep 12, 2023
Methods and systems for determining signal leaks in a network
COMCAST CABLE COMM LLC3 citations69
US12375880B2Jul 29, 2025
Methods and systems for determining signal leaks in a network
COMCAST CABLE COMM LLC0 citations59
US12267247B2Apr 1, 2025
Packet replication and usage monitoring in a network environment
COMCAST CABLE COMM LLC0 citations49