NEC CORPORATION

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Stats

49 17,429 total patents issued
11,683 Total Apps Published
May 07, 2013 most recent publication

Details

17,429 Issued Patents
2,410 Issued in last 3 years
3,393 Published in last 3 years

195,584 Total Citation Count
Jun 06, 1977 Earliest Filing
8,364 Expired/Abandoned/Withdrawn Patents

Technologies

G06F ELECTRIC DIGITAL DATA PROCESSING 1446 22

Subclasses

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H04B TRANSMISSION 1028 7

Subclasses

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H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 740 12

Subclasses

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H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 708 42

Subclasses

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G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 408 20

Subclasses

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H04J MULTIPLEX COMMUNICATION 402 8

Subclasses

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H04M TELEPHONIC COMMUNICATION 393 14

Subclasses

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H04Q SELECTING 357 7

Subclasses

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G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 319 25

Subclasses

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G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 289 32

Subclasses

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Top Patents (by citation)

5,930,369 Secure spread spectrum watermarking for multimedia data Sep 10, 97 Jul 27, 99 [H04L, G09C] 426

5,638,371 Multiservices medium access control protocol for wireless ATM system Jun 27, 95 Jun 10, 97 [H04J] 280

5,848,155 Spread spectrum watermark for embedded signalling Sep 04, 96 Dec 08, 98 [H04L] 261

6,725,227 Advanced web bookmark database system Nov 02, 98 Apr 20, 04 [G06F] 260

5,795,774 Biosensor Jul 10, 97 Aug 18, 98 [C12M, G01N] 248

5,384,028 Biosensor with a data memory Aug 27, 93 Jan 24, 95 [G01N] 245

5,692,193 Software architecture for control of highly parallel computer systems Mar 31, 94 Nov 25, 97 [G06F] 227

6,631,496 System for personalizing, organizing and managing web information Mar 22, 99 Oct 07, 03 [G06F] 199

5,883,426 Stack module Apr 18, 97 Mar 16, 99 [H01L] 173

5,684,791 Data link control protocols for wireless ATM access channels Nov 07, 95 Nov 04, 97 [H04L, H04B] 172

Recent Publications

2013/0105,811 FIELD EFFECT TRANSISTOR, METHOD FOR PRODUCING THE SAME, AND ELECTRONIC DEVICE Dec 15, 10 May 02, 13 [H01L]

2013/0107,132 LIGHT SOURCE AND PROJECTION-TYPE DISPLAY DEVICE Jun 30, 11 May 02, 13 [H04N, H01L]

2013/0107,491 ELECTRONIC APPARATUS Jul 06, 11 May 02, 13 [H05K]

2013/0107,700 WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD May 16, 11 May 02, 13 [H04L, H04W]

2013/0107,745 WIRELESS COMMUNICATION SYSTEM, DATA TRANSMISSION METHOD FOR UPLINK THEREOF, BASE STATION DEVICE, AND MOBILE STATION DEVICE Dec 18, 12 May 02, 13 [H04W]

2013/0108,154 IMAGE PROCESSING LEARNING DEVICE, IMAGE PROCESSING LEARNING METHOD, AND IMAGE PROCESSING LEARNING PROGRAM May 24, 11 May 02, 13 [G06K]

2013/0108,914 LITHIUM ION SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME Jul 29, 11 May 02, 13 [H01M]

2013/0110,501 PERPLEXITY CALCULATION DEVICE Apr 20, 11 May 02, 13 [G06F]

2013/0110,918 THIN CLIENT SYSTEM, MANAGEMENT SERVER, MANAGEMENT METHOD AND PROGRAM Jul 05, 11 May 02, 13 [H04L]

2013/0111,388 DISPLAY PROCESSING SYSTEM, DISPLAY PROCESSING METHOD, AND INFORMATION STORAGE MEDIUM May 25, 11 May 02, 13 [G06F]

2013/0111,392 SERVICE PROVISION DEVICE FOR ELECTRONIC DOCUMENTS,SERVICE PROVISION METHOD FOR ELECTRONIC DOCUMENTS,AND SERVICE PROVISION TERMINAL FOR ELECTRONIC DOCUMENTS Jul 01, 11 May 02, 13 [G06F]

2013/0111,498 PROGRAM PROCESSING METHOD, PROGRAM PROCESSING APPARATUS, AND COMPUTER PROGRAM Feb 02, 11 May 02, 13 [G06F]

2013/0099,245 FIELD EFFECT TRANSISTOR, METHOD FOR PRODUCING THE SAME, AND ELECTRONIC DEVICE Dec 15, 10 Apr 25, 13 [H01L]

2013/0099,860 HIGH FREQUENCY POWER AMPLIFIER Jun 22, 11 Apr 25, 13 [H03F]

2013/0099,876 VIA STRUCTURES AND COMPACT THREE-DIMENSIONAL FILTERS WITH THE EXTENDED LOW NOISE OUT-OF-BAND AREA Jun 30, 10 Apr 25, 13 [H01P]

2013/0100,252 OBJECT REGION EXTRACTION SYSTEM, METHOD AND PROGRAM Jun 16, 11 Apr 25, 13 [H04N, G06K]

2013/0100,613 FAN UNIT, ELECTRONIC DEVICE, AND METHOD FOR MANUFACTURING FAN UNIT Jun 22, 11 Apr 25, 13 [H05K]

2013/0100,636 POLARIZER AND LIGHT-EMITTING DEVICE Jul 06, 11 Apr 25, 13 [G02B, F21V]

2013/0100,951 COMMUNICATION SYSTEM, CONTROL APPARATUS, NODE CONTROLLING METHOD AND NODE CONTROLLING PROGRAM Jun 20, 11 Apr 25, 13 [H04L]

2013/0101,001 MODEM DEVICE AND AMPLITUDE ADJUSTMENT METHOD May 30, 11 Apr 25, 13 [H04L]

2013/0101,037 VIDEO ENCODING DEVICE, VIDEO DECODING DEVICE, VIDEO ENCODING METHOD, VIDEO DECODING METHOD, AND PROGRAM Jul 08, 11 Apr 25, 13 [H04N]

2013/0101,895 ELECTROLYTE SOLUTION FOR A SECONDARY BATTERY Dec 10, 12 Apr 25, 13 [H01M]

2013/0102,266 Frequency converter and receiver that uses the frequency converter Apr 18, 11 Apr 25, 13 [H03B, H04B]

2013/0102,319 RADIO CONTROL APPARATUS, SECOND TRANSMISSION STATION TRANSMISSION POWER DETERMINATION METHOD AND PROGRAM Jun 15, 11 Apr 25, 13 [H04W]

2013/0102,321 RADIO-RESOURCE MANAGEMENT SYSTEM AND METHOD THEREOF, AND MANAGEMENT APPARATUS, BASE STATION AND TERMINAL TO BE EMPLOYED FOR IT Oct 10, 12 Apr 25, 13 [H04W]

2013/0102,339 MOBILE COMMUNICATIONS SYSTEM Apr 20, 11 Apr 25, 13 [H04L, H04W]

2013/0103,693 INFORMATION SEARCH DEVICE, INFORMATION SEARCH METHOD, COMPUTER PROGRAM, AND DATA STRUCTURE May 12, 11 Apr 25, 13 [G06F]

2013/0103,717 TEXT CONVERSION DEVICE, TEXT CONVERSION METHOD, AND RECORDING MEDIUM Jul 06, 11 Apr 25, 13 [G06F]

2013/0103,752 CONTENT DISTRIBUTION SYSTEM, SCRIPT GENERATION DEVICE, TERMINAL, CONTENT DISTRIBUTION METHOD, AND CONTENT DISTRIBUTION PROGRAM May 10, 11 Apr 25, 13 [H04L]

2013/0103,802 SERVICE PROVIDING SYSTEM Apr 20, 11 Apr 25, 13 [H04L]

2013/0103,930 DATA PROCESSING DEVICE AND METHOD, AND PROCESSOR UNIT OF SAME May 25, 11 Apr 25, 13 [G06F]

2013/0104,131 LOAD CONTROL DEVICE Jan 11, 11 Apr 25, 13 [G06F]

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Recent Patents

8,437,801 Radio communications device, universal integrated circuit card and related method and communications device Dec 12, 08 May 07, 13 [H04B]

8,438,282 Information processing system and load sharing method Jun 13, 07 May 07, 13 [G06F]

8,438,518 Apparatus for designing semiconductor integrated circuit, method of designing semiconductor integrated circuit, and program for designing semiconductor integrated circuit Feb 19, 10 May 07, 13 [G06F]

8,438,605 Video distribution system and video distribution method Jan 28, 08 May 07, 13 [H04N]

8,431,447 Method of manufacturing a semiconductor device with a front-end insulating layer interposed between a semiconductor layer and an insulating substrate Nov 08, 11 Apr 30, 13 [H01L]

8,432,447 Stripe pattern detection system, stripe pattern detection method, and program for stripe pattern detection Mar 18, 09 Apr 30, 13 [H04N]

8,432,695 Cooling device Sep 04, 07 Apr 30, 13 [H05K]

8,432,813 Microwave radio communications device and related method of operation and network arrangement May 22, 09 Apr 30, 13 [H04L]

8,432,879 Method of transmitting control channel information in an OFDM communication system downlink Feb 01, 08 Apr 30, 13 [H04W]

8,432,913 Relay device, network system, route switching method, and recording medium Feb 24, 09 Apr 30, 13 [H04L]

8,433,074 Echo suppressing method and apparatus Oct 25, 06 Apr 30, 13 [H04M, H04B]

8,433,164 Optical joint Oct 08, 09 Apr 30, 13 [G02B]

8,433,580 Information processing system, which adds information to translation and converts it to voice signal, and method of processing information for the same Dec 13, 04 Apr 30, 13 [G10L]

8,433,862 Storage system for adjusting asynchronous copy load based on cache activity rate Dec 05, 06 Apr 30, 13 [G06F]

8,433,905 User authentication device for authentication between server and device based on bandwidth and effective period Mar 03, 08 Apr 30, 13 [G06F]

8,433,949 Disk array apparatus and physical disk restoration method Jul 21, 10 Apr 30, 13 [G06F]

8,434,127 Access control system, access control method, electronic device and control program Feb 08, 08 Apr 30, 13 [G06F]

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