CIENA CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
H04B TRANSMISSION 44729
 
 
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 44657
 
 
 
H04J MULTIPLEX COMMUNICATION 40013
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 236228
 
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 13979
 
 
 
H04Q SELECTING 7545
 
 
 
H01S DEVICES USING STIMULATED EMISSION7140
 
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 6596
 
 
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 5497
 
 
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 3786

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0160,482 METHOD AND SYSTEM FOR PROVIDING OPTICAL CONNECTIONSFeb 22, 17Jun 08, 17[G02B]
2017/0163,337 OPTICAL CHANNEL TELEMETRYDec 04, 15Jun 08, 17[H04L, H04B]
2017/0163,489 CONTROL PLANE DISCOVERY OF SERVICESDec 07, 15Jun 08, 17[H04L, H04B]
2017/0164,499 BACKPLANE ALIGNMENT AND STIFFENING APPARATUS FOR TWO BACKPLANES SPANNING SINGLE MODULESDec 08, 15Jun 08, 17[H05K]
2017/0164,500 OFFLOADED BACKPLANE FOR POWER DISTRIBUTION IN HIGH-SPEED DATA APPLICATIONSDec 02, 15Jun 08, 17[H05K]
2017/0154,044 SOFTWARE PRECEDENCE IN TERNARY CONTENT-ADDRESSABLE MEMORY (TCAM)Nov 30, 15Jun 01, 17[G06F]
2017/0149,646 PATH COMPUTATION IN MULTI-LAYER NETWORKSNov 25, 15May 25, 17[H04L]
2017/0131,142 METHOD AND SYSTEM FOR BALANCING OPTICAL RECEIVERNov 05, 15May 11, 17[H03F, G01J]
2017/0134,114 FLEXIBLE GRID OPTICAL SPECTRUM TRANSMITTER, RECEIVER, AND TRANSCEIVERJan 20, 17May 11, 17[H04J, H04Q]
2017/0134,282 PER QUEUE PER SERVICE DIFFERENTIATION FOR DROPPING PACKETS IN WEIGHTED RANDOM EARLY DETECTIONDec 22, 15May 11, 17[H04L]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9667348 Frequency domain combination of parallel signal pathsJun 13, 12May 30, 17[H04L, H04B, H03K]
9667559 MPLS and GMPLS tunnel flap dampening in traffic engineered networksFeb 03, 14May 30, 17[H04L]
9667570 Fabric extra trafficDec 13, 10May 30, 17[H04L]
9660755 Automated node level fibre auditOct 18, 12May 23, 17[H04J, H04B]
9654220 High speed signal generatorSep 07, 15May 16, 17[H04L, H04J, H04B]
9647769 Maximum likelihood decodingMar 23, 16May 09, 17[H04L, H04B]
9648402 In-band communication channel in optical networksFeb 10, 15May 09, 17[H04J, H04L, H04Q]
9634791 Flexible optical spectrum management systems and methodsOct 20, 15Apr 25, 17[H04J, H04Q]
9625648 Method for fabricating a monolithic optoelectronic deviceOct 06, 15Apr 18, 17[G02B, G02F]
9625662 Method and system having a transimpedance amplifier circuit with a differential current monitoring device for monitoring optical receiver circuitSep 16, 15Apr 18, 17[G01R, G02B, H03F, G01J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
9414138 Control plane extensions for optical broadcast networksWithdrawnMar 13, 15Aug 09, 16[H04J, H04Q, H04B]
2014/0126,912 SYSTEMS AND METHODS FOR INTERCONNECTION DISCOVERY IN OPTICAL COMMUNICATION SYSTEMSABANNov 07, 12May 08, 14[H04B]
2014/0117,774 POWER FEED ENTRY CIRCUIT FOR TELECOMMUNICATION APPLICATIONSABANNov 01, 12May 01, 14[H02B]
2013/0191,696 PARITY FRAMEABANJan 19, 12Jul 25, 13[G06F, H03M]
8306424 Remodulating channel selectors for WDM optical communication systemsExpiredAug 24, 10Nov 06, 12[H04J]
2012/0044,849 POWER ALLOCATION IN CLOSED-LOOP DOWNLINK COOPERATIVE MULTIPLE POINT (COMP) TRANSMISSIONABANFeb 02, 10Feb 23, 12[H04W]
2011/0222,854 COHERENT OPTICAL HUBBINGABANMar 14, 11Sep 15, 11[H04J]
2011/0142,457 INTEGRATED TRANSMIT AND RECEIVE MODULES FOR A COHERENT OPTICAL TRANSMISSION SYSTEMABANMar 11, 10Jun 16, 11[G02B, H04B]
2010/0165,834 METHOD AND SYSTEM FOR RING TOPOLOGY DISCOVERY AND FORWARDING DATABASE FLUSH NULLIFICATIONABANOct 20, 09Jul 01, 10[G06F]
2010/0128,734 POLYPHASE ROTATING-ACCESS SWITCHABANDec 22, 09May 27, 10[H04L]
2010/0108,369 Printed Circuit Boards, Printed Circuit Board Capacitors, Electronic Filters, Capacitor Forming Methods, and Articles of ManufactureABANOct 31, 08May 06, 10[H01R, G06F, H05K]
7693976 Granular management of network resourcesExpiredSep 10, 04Apr 06, 10[H04L, G06F]
2010/0027,995 GANGED OPTICAL SWITCHABANJul 31, 08Feb 04, 10[G02B, H04J]
2010/0027,998 OPTICAL ROUNDABOUT SWITCHABANJul 31, 08Feb 04, 10[G02B, H04B]
2009/0256,622 SOFT THERMAL FAILURE IN A HIGH CAPACITY TRANSMISSION SYSTEMABANApr 11, 08Oct 15, 09[H01L]
2009/0226,186 OPTICAL PHASE-SHIFT-KEYING DEMODULATOR BIAS CONTROL METHODABANMar 05, 08Sep 10, 09[H04B]
2009/0201,654 METHOD AND SYSTEM FOR IMPROVING ELECTRICAL PERFORMANCE OF VIAS FOR HIGH DATA RATE TRANSMISSIONABANFeb 09, 09Aug 13, 09[H05K]
2009/0168,645 Automated Network Congestion and Trouble Locator and CorrectorABANJun 30, 06Jul 02, 09[H04L, G06F]
2009/0161,873 METHOD AND APPARATUS FOR KEY MANAGEMENT IN AN END-TO-END ENCRYPTION SYSTEMABANDec 19, 07Jun 25, 09[H04L]
2009/0164,550 MEDIA MONITORINGABANDec 20, 07Jun 25, 09[G06F]

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