NEC ENGINEERING, LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 3239
 
  
 
H04M TELEPHONIC COMMUNICATION 2161
 
  
 
1303 EQUIPMENT FOR DISTRIBUTION OR CONTROL OF ELECTRIC POWER269
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES178
 
  
 
G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES1108
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204
 
  
 
G10L SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION 196
 
  
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 1106
 
  
 
1403 COMMUNICATIONS EQUIPMENT, WIRELESS REMOTE CONTROLS AND RADIO AMPLIFIERS169

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0307,721 SIGNAL PROCESSING APPARATUS, SIGNAL PROCESSING METHOD, AND SIGNAL PROCESSING PROGRAMNov 06, 15Oct 26, 17[G10L, H04R, G01S]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D720311 Coaxial waveguide converter substrate with filtering functionApr 15, 14Dec 30, 14[1303]
D720312 Coaxial waveguide converter substrate with filtering functionApr 15, 14Dec 30, 14[1303]
8740216 Document conveying apparatus and document conveying methodJun 27, 12Jun 03, 14[B65H]
8223409 Optical device, image reading apparatus and adjusting method for optical deviceMay 11, 09Jul 17, 12[H04N, G02B]
D563917 Television conference system with displaysMar 02, 07Mar 11, 08[1403]
7079647 IP telephone with power source circuitFeb 25, 02Jul 18, 06[H04M]
5821985 Multi-point videoconference system having a fixed control station for data transferOct 10, 97Oct 13, 98[H04M, H04N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8638478 Image reading apparatus, moving body fixing structure, and electronic equipmentExpiredApr 10, 12Jan 28, 14[H04N]
8405704 TV conference apparatusExpiredSep 25, 07Mar 26, 13[H04N]
2013/0044,357 ORIGINAL DOCUMENT SIZE DETECTION DEVICEAbandonedAug 15, 12Feb 21, 13[H04N]
2012/0312,468 TAPE ATTACHING APPARATUS AND TAPE ATTACHING METHODAbandonedFeb 09, 11Dec 13, 12[B29C]
8100706 Back plug-in connector deviceExpiredApr 03, 08Jan 24, 12[H01R]
8072294 Filter having switch function and band pass filterExpiredDec 05, 08Dec 06, 11[H01P]
2011/0292,465 IMAGE READING APPARATUSAbandonedMay 09, 11Dec 01, 11[H04N]
8040559 Print management system, method and computer-readable medium containing program for the sameExpiredNov 14, 06Oct 18, 11[H04N]
2010/0252,988 AUTOMATIC DOCUMENT CONVEYANCE DEVICE AND IMAGE READING APPARATUS USING THE SAMEAbandonedMar 31, 10Oct 07, 10[B65H]
2009/0257,818 ANGLE ADJUSTMENT DEVICE AND IMAGE READING SYSTEM USING THE SAMEAbandonedMar 20, 09Oct 15, 09[F16B]
2007/0086,554 Data synchronizer and data synchronizing methodAbandonedOct 13, 06Apr 19, 07[H04L]
7043594 Local bus bridgeExpiredMar 19, 03May 09, 06[G06F]
6891445 Phase modulatorExpiredJun 11, 03May 10, 05[H03C]
2003/0187,747 Order shop systemAbandonedMar 29, 02Oct 02, 03[G06F]
2003/0081,279 Optical interfaceAbandonedOct 25, 02May 01, 03[H04B]
6480678 Light transmitting member driving device for a contour measuring apparatusExpiredAug 30, 01Nov 12, 02[H04N, G03B, G01B]
2002/0055,999 System and method for measuring quality of serviceAbandonedOct 29, 01May 09, 02[H04L, G06F]

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