NEC COMMUNICATION SYSTEMS, LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04W WIRELESS COMMUNICATION NETWORKS 20168
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 10275
 
  
 
H04B TRANSMISSION 7203
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
H04J MULTIPLEX COMMUNICATION 2123
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100
 
  
 
G08C TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS 154
 
  
 
H04Q SELECTING 1109

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0006,540 WIRELESS BASE STATION AND WIRELESS COMMUNICATION SYSTEMS USING THE SAMESep 16, 16Jan 05, 17[H04W]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9867126 Wireless base station and wireless communication systems using the sameSep 16, 16Jan 09, 18[H04W]
9554330 Wireless communication deviceNov 16, 12Jan 24, 17[H04W]
9532379 Transmitter, transmission method used by the same, receiver for receiving a radio signal from transmitter and wireless communication system including the sameMar 04, 13Dec 27, 16[H04L, H04W]
9521613 Wireless base station and wireless communication system using the sameFeb 16, 12Dec 13, 16[H04W]
9461772 Communication apparatus, communication state detecting method, and communication state detecting programJul 24, 12Oct 04, 16[H04L, H04W]
9408148 Communication system, communication method, radio apparatus in communication system and program executed by terminal device in communication systemMar 18, 13Aug 02, 16[H04W]
9374784 Terminal device, wireless base station wirelessly communicating with the same, and wireless communication system using terminal device and wireless base stationFeb 16, 12Jun 21, 16[G08C, H04W]
9075676 Information processing system, information processing method, and device and program used for the information processing system and the information processing methodMay 11, 07Jul 07, 15[G06F]
9037117 Wireless communication terminalAug 28, 10May 19, 15[H04Q, H04W, G01S]
9030945 Wireless communication device that is capable of improving data transmission efficiency, associated network, and methodOct 03, 14May 12, 15[H04L, H04W]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0013,556 WIRELESS COMMUNICATION CONTROL DEVICE, WIRELESS COMMUNICATION CONTROL METHOD, STORAGE MEDIUM, AND WIRELESS COMMUNICATION CONTROL SYSTEMAbandonedFeb 23, 15Jan 12, 17[H04W]
2012/0014,309 WIRELESS COMMUNICATION APPARATUS, WIRELESS NETWORK SYSTEM, DATA TRANSFER METHOD, AND RECORDING MEDIUMAbandonedMar 15, 10Jan 19, 12[H04W]
2008/0014,918 Communication quality measuring device, communication quality measuring method and communication measuring program in computer-readable mediumAbandonedJul 09, 07Jan 17, 08[H04B]
2007/0019,550 Shaper control method, data communication system, network interface apparatus, and network delay apparatusAbandonedFeb 22, 06Jan 25, 07[H04L]
2007/0021,192 Method and system for distributing game contentAbandonedDec 02, 05Jan 25, 07[A63F]
2004/0213,575 Optical add drop multiplexer systemAbandonedNov 27, 02Oct 28, 04[G02B, H04J]
6741375 Optical modulator drive circuitExpiredJul 11, 02May 25, 04[H01S, G02F]

Top Inventors for This Owner

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