NTT MOBILE COMMUNICATIONS NETWORK INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04B TRANSMISSION 49161
 
  
 
H04Q SELECTING 3972
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 22263
 
  
 
H04J MULTIPLEX COMMUNICATION 14111
 
  
 
H03F AMPLIFIERS 875
 
  
 
H04M TELEPHONIC COMMUNICATION 7156
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 6105
 
  
 
H03D DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER 544
 
  
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION553
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 4443

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7519102 Method of assignment and transmission of spread signals in direct sequence spread spectrum CDMA mobile communication system, mobile communication system, and transmitter, receiver and transmitter/receiver of mobile communication systemMay 07, 99Apr 14, 09[H04B]
7469365 Method and device for interleaving and method and device for de-interleavingSep 29, 06Dec 23, 08[G06F]
7428667 Method and device for interleaving and method and device for de-interleavingSep 29, 06Sep 23, 08[G06F]
7403489 Frame synchronization circuitJul 03, 07Jul 22, 08[H04J]
7383045 Method and system for mobile communicationsMar 28, 06Jun 03, 08[H04Q]
7362715 Frame synchronization circuitSep 08, 05Apr 22, 08[H04J]
7236787 Method and system for mobile communicationsApr 24, 98Jun 26, 07[H04Q]
7191369 Method and device for interleaving and method and device for de-interleavingJul 06, 04Mar 13, 07[G06F]
7033060 Method and apparatus for irradiation of plants using light emitting diodesSep 30, 03Apr 25, 06[F21V]
6977903 Frame synchronization circuitDec 25, 97Dec 20, 05[H04J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8185158 Method and system for mobile communicationsExpiredApr 09, 09May 22, 12[H04B]
7577435 Method and system for mobile communicationsExpiredApr 05, 06Aug 18, 09[H04Q]
2009/0149,181 METHOD AND SYSTEM FOR MOBILE COMMUNICATIONSAbandonedJan 30, 09Jun 11, 09[H04W]
7304970 Traffic control method for mobile data communication, mobile station device and base station deviceExpiredDec 06, 99Dec 04, 07[H04B]
2006/0178,167 Method and system for mobile communicationsAbandonedApr 04, 06Aug 10, 06[H04M, H04B]
7082310 Radio communication system, frequency allocation method and frequency allocation deviceExpiredJul 29, 03Jul 25, 06[H04Q]
6950423 Packet transmission method, packet transmission device, radio frame transmission method, mobile communication method, mobile communication system, and exchangeExpiredSep 11, 98Sep 27, 05[H04L, H04B, H04J]
6912394 Radio line allocation judging method in mobile communication system and radio lineExpiredFeb 16, 00Jun 28, 05[H04Q]
6804507 Mobile paging telephone with an automatic call back functionExpiredOct 03, 02Oct 12, 04[H04M]
6801515 Call acceptance control method for CDMA mobile radio communication system and mobile station deviceExpiredAug 27, 98Oct 05, 04[H04B]
6744784 Method of transmitting variable-length frame, transmitter, and receiverExpiredDec 29, 98Jun 01, 04[H04J]
6738393 Frame synchronization circuitExpiredOct 13, 98May 18, 04[H04J]
6738411 Simultaneous plural code series generator and CDMA radio receiver using sameExpiredMar 16, 99May 18, 04[H03M, H04K]
6728305 Simultaneous plural code series generator and CDMA radio receiver using sameExpiredJun 21, 02Apr 27, 04[H04B]
6728322 Sequential decoder, and receiver using sequential decoderExpiredFeb 04, 00Apr 27, 04[H04L, H03D]
6694480 Receiving apparatus, receiving method, transmission system and transmission methodExpiredJun 07, 00Feb 17, 04[H03M, G06F]
6658257 Radio communication system, frequency allocation method and frequency allocation deviceExpiredDec 17, 99Dec 02, 03[H04Q]
6647003 Channel estimation unit, and CDMA receiver and CDMA transceiver with channel estimation unitExpiredJul 20, 99Nov 11, 03[H04B]
6624784 Adaptive array antennaExpiredMay 30, 00Sep 23, 03[G01S]
6611505 Control signal processor and communication systemExpiredJan 19, 99Aug 26, 03[H04L]

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