Inventor · disambiguated record
Roger Karam
Also filed as: KARAM ROGER · KARAM ROGER A · KARAM ROGER ANTOINE
61 granted patents·2 pending applications·1,817 citations·filing 1997–2023
99Inventor score
Top patents by PatentIndex Score
63 records- 0199US7921307B2Methods and apparatus providing advanced classification for power over EthernetCISCO TECH INC·Filed 2007·Granted Apr 5, 2011·89 cites·21 claims
- 0297US8020043B2Field failure data collectionCISCO TECH INC·Filed 2009·Granted Sep 13, 2011·67 cites·15 claims
- 0397US7973538B2Power over ethernet system having hazard detection circuitry to detect potentially hazardous cable conditionsCISCO TECH INC·Filed 2008·Granted Jul 5, 2011·78 cites·47 claims
- 0497US7940787B2Low-power ethernet deviceCISCO TECH INC·Filed 2005·Granted May 10, 2011·83 cites·8 claims
- 0597US7593747B1Techniques for controlling delivery of power to a remotely powerable device based on temperatureCISCO TECH INC·Filed 2005·Granted Sep 22, 2009·124 cites·33 claims
- 0697US6804351B1Method and apparatus for detecting a compatible phantom powered device using common mode signalingCISCO TECH IND·Filed 2000·Granted Oct 12, 2004·156 cites·17 claims
- 0796US8184525B2Method and apparatus for detecting and fixing faults in an inline-power capable ethernet systemKARAM ROGER·Filed 2005·Granted May 22, 2012·74 cites·30 claims
- 0896US7471014B2Method and apparatus distributing power to a load in a powered deviceCISCO TECH INC·Filed 2006·Granted Dec 30, 2008·237 cites·16 claims
- 0996US6310781B1Connection pin layout for connecting integrated magnetics modules to a printed circuit boardCISCO TECH IND·Filed 1999·Granted Oct 30, 2001·104 cites·18 claims
- 1095US7613939B2Method and apparatus for changing power class for a powered deviceCISCO TECH INC·Filed 2006·Granted Nov 3, 2009·59 cites·28 claims
- 1194US7404250B2Method for fabricating a printed circuit board having a coaxial viaCISCO TECH INC·Filed 2005·Granted Jul 29, 2008·35 cites·13 claims
- 1292US7724650B2Multi-station physical layer communication over TP cableCISCO TECH INC·Filed 2005·Granted May 25, 2010·23 cites·16 claims
- 1392US6952785B1Methods and apparatus for powering a data communications portCISCO TECH IND·Filed 2002·Granted Oct 4, 2005·64 cites·20 claims
- 1491US8635473B2Powered device classification in a wired data telecommunications networkCISCO TECH INC·Filed 2012·Granted Jan 21, 2014·10 cites·17 claims
- 1591US8549331B2Redundant power and data in a wired data telecommunications networkKARAM ROGER A·Filed 2010·Granted Oct 1, 2013·14 cites·20 claims
- 1690US5947773AConnector with ESD protectionCISCO TECH IND·Filed 1997·Granted Sep 7, 1999·63 cites·12 claims
- 1789US7474704B2Method and apparatus for current sharing ethernet power across four conductor pairsCISCO TECH INC·Filed 2005·Granted Jan 6, 2009·23 cites·16 claims
- 1888US8316223B2Powered device classification in a wired data telecommunications networkKARAM ROGER A·Filed 2011·Granted Nov 20, 2012·7 cites·8 claims
- 1988US8171315B2Method and apparatus for changing power class for a powered deviceKARAM ROGER·Filed 2009·Granted May 1, 2012·17 cites·19 claims
- 2087US7586840B2Method and apparatus for detecting and fixing faults in an inline-power capable ethernet systemCISCO TECH INC·Filed 2005·Granted Sep 8, 2009·15 cites·5 claims
- 2186US8411575B2Multi-station physical layer communication over TP cableKARAM ROGER A·Filed 2010·Granted Apr 2, 2013·8 cites·16 claims
- 2286US8386832B2Power and data redundancy in a single wiring closetCISCO TECH INC·Filed 2010·Granted Feb 26, 2013·8 cites·19 claims
- 2386US6958699B1Signal-disruption detection in powered networking systemsCISCO TECH IND·Filed 2001·Granted Oct 25, 2005·54 cites·48 claims
- 2486US6614236B1Cable link integrity detectorCISCO TECH IND·Filed 1999·Granted Sep 2, 2003·62 cites·12 claims
- 2585US8035038B2Method for fabricating a printed circuit board having a coaxial viaCISCO TECH INC·Filed 2008·Granted Oct 11, 2011·13 cites·11 claims
- 2684US7577104B2Current imbalance compensation for magnetics in a wired data telecommunications networkCISCO TECH INC·Filed 2005·Granted Aug 18, 2009·10 cites·20 claims
- 2783US8972757B2Powered device classification in a wired data telecommunications networkCISCO TECH INC·Filed 2013·Granted Mar 3, 2015·4 cites·20 claims
- 2883US8305906B2Detection algorithm for delivering inline power down four pairs of an Ethernet cable to a single powered deviceKARAM ROGER·Filed 2009·Granted Nov 6, 2012·10 cites·20 claims
- 2983US7903809B2Power management for serial-powered device connectionsCISCO TECH INC·Filed 2004·Granted Mar 8, 2011·36 cites·66 claims
- 3083US6912282B2Enabling Cisco legacy power to support IEEE 802.3 AF standard powerCISCO TEHNOLOGY INC·Filed 2003·Granted Jun 28, 2005·35 cites·12 claims
- 3180US7793137B2Redundant power and data in a wired data telecommunincations networkCISCO TECH INC·Filed 2004·Granted Sep 7, 2010·25 cites·57 claims
- 3280US7693076B2Detection algorithm for delivering inline power down four pairs of an ethernet cable to a single powered deviceCISCO TECH INC·Filed 2005·Granted Apr 6, 2010·8 cites·28 claims
- 3379US7697251B2Powered communications interface with DC current imbalance compensationCISCO TECH INC·Filed 2006·Granted Apr 13, 2010·8 cites·19 claims
- 3479US7490251B2Method and apparatus for current sharing ethernet power across four conductor pairs using a midspan deviceCISCO TECH INC·Filed 2006·Granted Feb 10, 2009·9 cites·25 claims
- 3577US8122266B2Powered communications interface providing low-speed communications between power-sourcing equipment and powered device in non-powered operating modeKARAM ROGER A·Filed 2008·Granted Feb 21, 2012·7 cites·22 claims
- 3676US7457252B2Current imbalance compensation for magnetics in a wired data telecommunications networkCISCO TECH INC·Filed 2004·Granted Nov 25, 2008·18 cites·30 claims
- 3775US7743174B2Dual utilization of a physical port of an electronic deviceCISCO TECH INC·Filed 2007·Granted Jun 22, 2010·6 cites·20 claims
- 3874US8886973B2System employing signaling at a powered communications interface to modify or override a power-withholding policy at a power-sourcing equipmentKARAM ROGER·Filed 2008·Granted Nov 11, 2014·6 cites·34 claims
- 3974US8009577B2Automatic data rate and power adjustment on communications uplink based on communications activity on communications downlinkCISCO TECH INC·Filed 2007·Granted Aug 30, 2011·10 cites·24 claims
- 4074US7293182B2Methods and apparatus for powering a data communications portCISCO TECH INC·Filed 2005·Granted Nov 6, 2007·5 cites·22 claims
- 4173US8099611B2Powered communications interface with pre-operating mode using low voltages and currents for information signalingKARAM ROGER·Filed 2008·Granted Jan 17, 2012·6 cites·21 claims
- 4273US8074084B2Powered device classification in a wired data telecommunications networkKARAM ROGER A·Filed 2004·Granted Dec 6, 2011·11 cites·64 claims
- 4373US7752672B2Methods and apparatus for physical layer security of a network communications linkCISCO TECH INC·Filed 2006·Granted Jul 6, 2010·6 cites·28 claims
- 4472US9141160B2Powered device classification in a wired data telecommunications networkCISCO TECH INC·Filed 2015·Granted Sep 22, 2015·1 cites·20 claims
- 4572US9094339B2Computer system communication channel diagnosticsKARAM ROGER ANTOINE·Filed 2012·Granted Jul 28, 2015·4 cites·37 claims
- 4672US8149683B2Fail-safe inline power in a wired data telecommunications networkKARAM ROGER A·Filed 2005·Granted Apr 3, 2012·5 cites·27 claims
- 4772US7823026B2Automatic system for power and data redundancy in a wired data telecommunications networkCISCO TECH INC·Filed 2004·Granted Oct 26, 2010·14 cites·23 claims
- 4871US7849351B2Power and data redundancy in a single wiring closetCISCO TECH INC·Filed 2004·Granted Dec 7, 2010·13 cites·104 claims
- 4971US7099463B1Method and apparatus for detecting a compatible phantom powered device using common mode signalingCISCO TECH INC·Filed 2004·Granted Aug 29, 2006·10 cites·29 claims
- 5070US8308509B2Multiple-position modular connector employing shielded or filtered signal conductors for reducing electrical noiseKARAM ROGER A·Filed 2009·Granted Nov 13, 2012·11 cites·6 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →