NEC CORPORATION OF AMERICA

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04J MULTIPLEX COMMUNICATION 4121
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 1197
 
  
 
G06Q DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR 1173
 
  
 
G11C STATIC STORES 1150
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284
 
  
 
H04M TELEPHONIC COMMUNICATION 1162
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 1241

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9160480 Symmetric coherent OFDMA-PON configuration with low-speed ONU-sideMay 14, 12Oct 13, 15[H04J]
8290831 Web-based demand chain management system and methodSep 18, 01Oct 16, 12[G06Q, G06F]
8260140 WDM passive optical network with parallel signal detection for video and data deliveryNov 15, 07Sep 04, 12[H04J]
8064768 Intra-channel equalizing optical interleaverMay 29, 08Nov 22, 11[H04J]
D431538 Digital cellular telephoneDec 21, 98Oct 03, 00[1403]
D427984 Cellular telephoneNov 23, 99Jul 11, 00[1403]
D421003 Analog cellular telephoneDec 21, 98Feb 22, 00[1403]
D407397 Analog cellular telephoneDec 01, 97Mar 30, 99[1403]
5848065 Optimized universal card slot system for sonet multiplex equipmentJan 11, 96Dec 08, 98[H04J]
D397676 Cellular telephoneFeb 28, 97Sep 01, 98[1403]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0138,469 WEB-BASED DEMAND CHAIN MANAGEMENT SYSTEM & METHODAbandonedSep 14, 12May 30, 13[G06Q]
8281344 LAN or WAN remote access and management of digital cinema screen serversExpiredSep 13, 10Oct 02, 12[H04N, G06F]
2008/0199,189 COLORLESS OPTICAL DEMODULATOR FOR DIFFERENTIAL QUADRATURE PHASE SHIFT KEYING DWDM SYSTEMSAbandonedFeb 20, 07Aug 21, 08[H04J]
2006/0232,848 Colorless Differential Phase Shift Keyed and Low Crosstalk DemodulatorsAbandonedApr 14, 06Oct 19, 06[G02F]
7124156 Apparatus and method for immediate non-sequential state transition in a PN code generatorExpiredJan 10, 03Oct 17, 06[G06F]
6728210 Multi-logical access for a serial data linkExpiredDec 21, 98Apr 27, 04[H04L]
6721414 Cable management systemExpiredAug 17, 99Apr 13, 04[H04M, H04L]
6708044 Apparatus and method for automated band selection via synthesizer bit insertionExpiredApr 04, 00Mar 16, 04[H04M]
6625272 Telemanagement system with single point of entryExpiredSep 24, 01Sep 23, 03[H04M]
6504443 Common anode varactor tuned LC circuitExpiredMay 17, 00Jan 07, 03[H03B]
6504924 Telemanagement system with single point of entryExpiredSep 24, 01Jan 07, 03[H04M]
6498839 Telemanagement system with modular features and database synchronizationExpiredJan 12, 01Dec 24, 02[H04M]
6473504 Telemanagement system with single point of entryExpiredSep 24, 01Oct 29, 02[H04M]
6445786 Telemanagement system with single point of entryExpiredSep 24, 01Sep 03, 02[H04M]
6411700 Telemanagement system with single point of entryExpiredOct 30, 98Jun 25, 02[H04M]
2001/0046,230 Method and programmable device for telecommunications applicationsAbandonedMar 14, 01Nov 29, 01[H04L]
6314283 Cellular phone subsidy lockExpiredApr 28, 99Nov 06, 01[H04M]
6314478 System for accessing a space appended to a circular queue after traversing an end of the queue and upon completion copying data back to the queueExpiredDec 29, 98Nov 06, 01[G06F]
2001/0025,258 Method for product support servicesAbandonedFeb 16, 01Sep 27, 01[G06F]
6278938 Method of processing waypoint data for travel guide deviceExpiredMay 17, 00Aug 21, 01[G01C]

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