CIENA CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
H04B TRANSMISSION 40029
 
 
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 38759
 
 
 
H04J MULTIPLEX COMMUNICATION 35316
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 223213
 
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 12087
 
 
 
H01S DEVICES USING STIMULATED EMISSION7136
 
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 6593
 
 
 
H04Q SELECTING 5556
 
 
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 4698
 
 
 
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 3186

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0212,623 SYSTEMS AND METHODS TO DETECT AND CHARACTERIZE FAKE CELL TOWERSJan 21, 15Jul 21, 16[H04W]
2016/0204,902 MAXIMUM LIKELIHOOD DECODINGMar 23, 16Jul 14, 16[H04L, H04B]
2016/0191,202 MONITORING AND CONTROL OF REFERENCE CLOCKS TO REDUCE BIT ERROR RATIODec 31, 14Jun 30, 16[H04L]
2016/0191,386 NETWORK-BASED ETHERNET SWITCHING PACKET SWITCH, NETWORK, AND METHODFeb 29, 16Jun 30, 16[H04L]
2016/0182,329 BANDWIDTH OPTIMIZATION SYSTEMS AND METHODS IN NETWORKSOct 21, 15Jun 23, 16[H04L]
2016/0182,344 SYSTEMS AND METHODS TO DETECT, DIAGNOSE, AND MITIGATE ISSUES IN MULTI-LAYER NETWORKSDec 17, 14Jun 23, 16[H04L]
2016/0182,355 CONSTRAINED AND VIABLE PATH COMPUTATION SYSTEMS AND METHODSFeb 10, 15Jun 23, 16[H04L]
2016/0173,190 OPTICAL NETWORK CONNECTION TERMINATION ON CLIENT FACILITY FAILUREDec 12, 14Jun 16, 16[H04B]
2016/0173,198 DIGITAL NOISE LOADING FOR OPTICAL RECEIVERSNov 19, 15Jun 16, 16[H04B]
2016/0173,350 ETHERNET FAULT MANAGEMENT SYSTEMS AND METHODSFeb 19, 16Jun 16, 16[H04L]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9,397,929 Forwarding multicast packets over different layer-2 segmentsApr 22, 13Jul 19, 16[H04L]
9,374,166 High speed optical communication systems and methods with flexible bandwidth adaptationFeb 13, 12Jun 21, 16[H04B]
9,357,278 In-skin wavelength division multiplex (WDM) path computationDec 17, 12May 31, 16[H04J, H04L, H04Q]
9,350,605 Method and apparatus for multi-instance control plane for dynamic MPLS-TP tunnel management via in-band communication channel (G-ACH)Oct 11, 13May 24, 16[H04L]
9,344,191 Systems and methods for capacity changes in DWDM networks including flexible spectrum systemsOct 31, 13May 17, 16[H04J, H04B]
9,344,193 Digital optical spectral shapingNov 20, 15May 17, 16[H04J, H04L, H04B]
9,344,210 OTN rate adjustment systems and methods for control plane restoration, congestion control, and network utilizationFeb 10, 14May 17, 16[H04L, H04J]
9,344,307 Method and apparatus for sub-carrier frequency controlApr 30, 09May 17, 16[H04L]
9,344,323 G.8032 ethernet multiple fault recovery mechanismsJan 23, 14May 17, 16[H04L]
9,338,087 Source identification preservation in multiprotocol label switching networksJun 22, 15May 10, 16[H04L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
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]
7,693,976 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]
2008/0152,316 REMOTE CONTROL OF MEDIA CONTENT DELIVERY TO A DIGITAL MEDIA RECORDERABANDec 21, 06Jun 26, 08[H04N]
2008/0154,780 SHARING USAGE RIGHTSABANDec 22, 06Jun 26, 08[H04L]
2008/0155,628 METHOD AND SYSTEM FOR CONTENT SHARINGABANDec 22, 06Jun 26, 08[H04N]
2008/0144,602 PROVIDING SIP INTERWORKING IN A NEXT GENERATION NETWORKABANDec 14, 06Jun 19, 08[H04L]
2008/0033,908 Method and system for data processing in a shared database environmentABANAug 04, 06Feb 07, 08[G06F]
2008/0002,680 Method and system for variable viability summarization in communication networksABANJun 30, 06Jan 03, 08[H04L]

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