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Roger Karam
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Sunnyvale, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Methods and devices for performing dynamic droop compensation
Patent number
9,385,929
Issue date
Jul 5, 2016
Cisco Technology, Inc.
Hugh Barrass
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Powered device classification in a wired data telecommunications ne...
Patent number
9,141,160
Issue date
Sep 22, 2015
Cisco Technology, Inc.
Roger A. Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Computer system communication channel diagnostics
Patent number
9,094,339
Issue date
Jul 28, 2015
Cisco Technology, Inc.
Roger Antoine Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Powered device classification in a wired data telecommunications ne...
Patent number
8,972,757
Issue date
Mar 3, 2015
Cisco Technology, Inc.
Roger A. Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System employing signaling at a powered communications interface to...
Patent number
8,886,973
Issue date
Nov 11, 2014
Cisco Technology, Inc.
Roger Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Powered device classification in a wired data telecommunications ne...
Patent number
8,635,473
Issue date
Jan 21, 2014
Cisco Technology, Inc.
Roger A. Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatus providing advanced classification for power o...
Patent number
8,572,413
Issue date
Oct 29, 2013
Cisco Technology, Inc.
Roger A. Karam
G01 - MEASURING TESTING
Information
Patent Grant
Redundant power and data in a wired data telecommunications network
Patent number
8,549,331
Issue date
Oct 1, 2013
Cisco Technology
Roger A. Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-station physical layer communication over TP cable
Patent number
8,411,575
Issue date
Apr 2, 2013
Cisco Technology, Inc.
Roger A. Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Power and data redundancy in a single wiring closet
Patent number
8,386,832
Issue date
Feb 26, 2013
Cisco Technology, Inc.
Roger A. Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Powered device classification in a wired data telecommunications ne...
Patent number
8,316,223
Issue date
Nov 20, 2012
Cisco Technology, Inc.
Roger A. Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiple-position modular connector employing shielded or filtered...
Patent number
8,308,509
Issue date
Nov 13, 2012
Cisco Technology, Inc.
Roger A. Karam
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Detection algorithm for delivering inline power down four pairs of...
Patent number
8,305,906
Issue date
Nov 6, 2012
Cisco Technology, Inc.
Roger Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Inline power-based common mode communications in a wired data telec...
Patent number
8,300,666
Issue date
Oct 30, 2012
Cisco Technology, Inc.
Roger A. Karam
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Wiring closet redundancy
Patent number
8,259,562
Issue date
Sep 4, 2012
Cisco Technology, Inc.
Michael Smith
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Detection of multiple powered devices connected to an inline power...
Patent number
8,234,086
Issue date
Jul 31, 2012
Cisco Technology, Inc.
Roger Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for detecting and fixing faults in an inline-p...
Patent number
8,184,525
Issue date
May 22, 2012
Cisco Technology, Inc.
Roger Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for changing power class for a powered device
Patent number
8,171,315
Issue date
May 1, 2012
Cisco Technology, Inc.
Roger Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Fail-safe inline power in a wired data telecommunications network
Patent number
8,149,683
Issue date
Apr 3, 2012
Cisco Technology, Inc.
Roger A. Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Powered communications interface providing low-speed communications...
Patent number
8,122,266
Issue date
Feb 21, 2012
Cisco Technology, Inc.
Roger A. Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Powered communications interface with pre-operating mode using low...
Patent number
8,099,611
Issue date
Jan 17, 2012
Cisco Technology, Inc.
Roger Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Unpowered twisted pair loopback circuit for differential mode signa...
Patent number
8,094,808
Issue date
Jan 10, 2012
Cisco Technology, Inc.
James Molenda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Powered device classification in a wired data telecommunications ne...
Patent number
8,074,084
Issue date
Dec 6, 2011
Cisco Technology, Inc.
Roger A. Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automatic system for power and data redundancy in a wired data tele...
Patent number
8,042,006
Issue date
Oct 18, 2011
Cisco Technology, Inc.
Roger A. Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for fabricating a printed circuit board having a coaxial via
Patent number
8,035,038
Issue date
Oct 11, 2011
Cisco Technology, Inc.
Wheling Cheng
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Field failure data collection
Patent number
8,020,043
Issue date
Sep 13, 2011
Cisco Technology, Inc.
Roger Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automatic data rate and power adjustment on communications uplink b...
Patent number
8,009,577
Issue date
Aug 30, 2011
Cisco Technology, Inc.
Roger Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Power over ethernet system having hazard detection circuitry to det...
Patent number
7,973,538
Issue date
Jul 5, 2011
Cisco Technology, Inc.
Roger Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Low-power ethernet device
Patent number
7,940,787
Issue date
May 10, 2011
Cisco Technology, Inc.
Roger Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatus providing advanced classification for power o...
Patent number
7,921,307
Issue date
Apr 5, 2011
Cisco Technology, Inc.
Roger A. Karam
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
POWERED DEVICE CLASSIFICATION IN A WIRED DATA TELECOMMUNICATIONS NE...
Publication number
20150169019
Publication date
Jun 18, 2015
Cisco Technology, Inc.
Roger A. Karam
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHODS AND DEVICES FOR PERFORMING DYNAMIC DROOP COMPENSATION
Publication number
20140241181
Publication date
Aug 28, 2014
Cisco Technology, Inc.
Hugh Barrass
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
POWERED DEVICE CLASSIFICATION IN A WIRED DATA TELECOMMUNICATIONS NE...
Publication number
20140108847
Publication date
Apr 17, 2014
Cisco Technology, Inc.
Roger A. Karam
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMPUTER SYSTEM COMMUNICATION CHANNEL DIAGNOSTICS
Publication number
20130286864
Publication date
Oct 31, 2013
Cisco Technology, Inc.
Roger Antoine Karam
G01 - MEASURING TESTING
Information
Patent Application
POWERED DEVICE CLASSIFICATION IN A WIRED DATA TELECOMMUNICATIONS NE...
Publication number
20130057056
Publication date
Mar 7, 2013
Cisco Technology, Inc.
Roger A. Karam
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
POWERED DEVICE CLASSIFICATION IN A WIRED DATA TELECOMMUNICATIONS NE...
Publication number
20120131357
Publication date
May 24, 2012
Cisco Technology, Inc.
Roger A. Karam
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHODS AND APPARATUS PROVIDING ADVANCED CLASSIFICATION FOR POWER O...
Publication number
20110179302
Publication date
Jul 21, 2011
Roger A. Karam
G01 - MEASURING TESTING
Information
Patent Application
MULTIPLE-POSITION MODULAR CONNECTOR EMPLOYING SHIELDED OR FILTERED...
Publication number
20110104942
Publication date
May 5, 2011
Cisco Technology, Inc.
Roger A. Karam
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
POWER AND DATA REDUNDANCY IN A SINGLE WIRING CLOSET
Publication number
20110047407
Publication date
Feb 24, 2011
Cisco Technology, Inc.
Roger A. Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AUTOMATIC SYSTEM FOR POWER AND DATA REDUNDANCY IN A WIRED DATA TELE...
Publication number
20110041001
Publication date
Feb 17, 2011
Cisco Technology, Inc.
Roger A. Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
REDUNDANT POWER AND DATA IN A WIRED DATA TELECOMMUNICATIONS NETWORK
Publication number
20110004779
Publication date
Jan 6, 2011
Cisco Technology, Inc.
Roger A. Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MULTI-STATION PHYSICAL LAYER COMMUNICATION OVER TP CABLE
Publication number
20100232298
Publication date
Sep 16, 2010
Cisco Technology, Inc.
Roger A. Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FIELD FAILURE DATA COLLECTION
Publication number
20100229048
Publication date
Sep 9, 2010
Cisco Technology, Inc.
Roger Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DETECTION OF MULTIPLE POWERED DEVICES CONNECTED TO AN INLINE POWER...
Publication number
20100217447
Publication date
Aug 26, 2010
Cisco Technology, Inc.
Roger Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
POWERED COMMUNICATIONS INTERFACE PROVIDING LOW-SPEED COMMUNICATIONS...
Publication number
20100117808
Publication date
May 13, 2010
CISCO TECHNOLOGY INC.
Roger A. Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
POWERED COMMUNICATIONS INTERFACE WITH PRE-OPERATING MODE USING LOW...
Publication number
20100095136
Publication date
Apr 15, 2010
Cisco Technology, Inc.
Roger Karam
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
POWER OVER ETHERNET SYSTEM HAVING HAZARD DETECTION CIRCUITRY TO DET...
Publication number
20100045302
Publication date
Feb 25, 2010
CISCO TECHNOLOGY INC.
Roger Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR CHANGING POWER CLASS FOR A POWERED DEVICE
Publication number
20100049998
Publication date
Feb 25, 2010
Cisco Technology, Inc.
Roger Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEM EMPLOYING SIGNALING AT A POWERED COMMUNICATIONS INTERFACE TO...
Publication number
20100042855
Publication date
Feb 18, 2010
CISCO TECHNOLOGY INC.
Roger Karam
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Detection Algorithm for Delivering Inline Power Down Four Pairs of...
Publication number
20100017631
Publication date
Jan 21, 2010
Cisco Technology, Inc.
Roger Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DETECTION ALGORITHM FOR DELIVERING INLINE POWER DOWN FOUR PAIRS OF...
Publication number
20090228721
Publication date
Sep 10, 2009
Cisco Technology, Inc.
Roger Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATING THROUGH A PHYSICAL PORT OF AN ELECTRONIC DEVICE
Publication number
20090172207
Publication date
Jul 2, 2009
Cisco Technology, Inc.
Phillip Remaker
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
UNPOWERED TWISTED PAIR LOOPBACK CIRCUIT FOR DIFFERENTIAL MODE SIGNA...
Publication number
20090129583
Publication date
May 21, 2009
Cisco Technology, Inc. a California Corporation
James Molenda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Low-power ethernet device
Publication number
20090088908
Publication date
Apr 2, 2009
Cisco Technology, Inc.
Roger Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Automatic data rate and power adjustment on communications uplink b...
Publication number
20080239978
Publication date
Oct 2, 2008
Cisco Technology, Inc.
Roger Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Methods and apparatus providing advanced classification for power o...
Publication number
20080244284
Publication date
Oct 2, 2008
Roger A. Karam
G01 - MEASURING TESTING
Information
Patent Application
METHOD FOR FABRICATING A PRINTED CIRCUIT BOARD HAVING A COAXIAL VIA
Publication number
20080185180
Publication date
Aug 7, 2008
Cisco Technology, Inc.
Wheling Cheng
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Powered communications interface with DC current imbalance compensa...
Publication number
20080062590
Publication date
Mar 13, 2008
Cisco Technology, Inc.
Roger A. Karam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for distributing power to a load in a powered...
Publication number
20080054720
Publication date
Mar 6, 2008
Cisco Technology, Inc.
Meilissa R. Lum
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
METHOD AND APPARATUS FOR CURRENT SHARING ETHERNET POWER ACROSS FOUR...
Publication number
20070263675
Publication date
Nov 15, 2007
Cisco Technology, Inc.
Meilissa Lum
H04 - ELECTRIC COMMUNICATION TECHNIQUE