Inventor · disambiguated record
De Fu Li
Also filed as: LI DE FU
10 granted patents·2 pending applications·52 citations·filing 2001–2025
85Inventor score
Top patents by PatentIndex Score
12 records- 0192US11758362B2Methods and systems for determining signal leaks in a networkCOMCAST CABLE COMM LLC·Filed 2021·Granted Sep 12, 2023·3 cites·21 claims
- 0286US7801040B1Node registration technique implemented in access networksCISCO TECH INC·Filed 2007·Granted Sep 21, 2010·16 cites·15 claims
- 0380US2025324224A1Methods and systems for determining signal leaks in a networkCOMCAST CABLE COMM LLC·Filed 2025·Application pending·0 cites
- 0479US8201207B2Apparatus and methods for moving cable modems between upstream channelsAN JAMES S·Filed 2008·Granted Jun 12, 2012·17 cites·23 claims
- 0578US12375880B2Methods and systems for determining signal leaks in a networkCOMCAST CABLE COMM LLC·Filed 2023·Granted Jul 29, 2025·0 cites·35 claims
- 0677US9503180B2Interference detection and avoidance in a telecommunication networkCISCO TECH INC·Filed 2014·Granted Nov 22, 2016·4 cites·20 claims
- 0763US7395309B1Modem activity detectionCISCO TECH INC·Filed 2001·Granted Jul 1, 2008·11 cites·15 claims
- 0859US12267247B2Packet replication and usage monitoring in a network environmentCOMCAST CABLE COMM LLC·Filed 2023·Granted Apr 1, 2025·0 cites·22 claims
- 0956US2025279965A1Packet Replication and Usage Monitoring in a Network EnvironmentCOMCAST CABLE COMM LLC·Filed 2025·Application pending·0 cites
- 1050US9237116B2Network system time domain re-stampingCISCO TECH INC·Filed 2013·Granted Jan 12, 2016·0 cites·20 claims
- 1150US8134921B2CMTS upstream channel bandwidth schedulerGOGUEN ROBERT·Filed 2008·Granted Mar 13, 2012·1 cites·19 claims
- 1248US7839773B2Modem timing offset compensation for line card redundancy failoverCISCO TECH INC·Filed 2008·Granted Nov 23, 2010·0 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →