NTT MOBILE COMMUNICATIONS NETWORK INC.

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Technologies

Intl Class Technology # of Patents Rank
 
 
 
H04B TRANSMISSION 58111
 
 
 
H04Q SELECTING 4459
 
 
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 24149
 
 
 
H04J MULTIPLEX COMMUNICATION 1692
 
 
 
H04M TELEPHONIC COMMUNICATION 10123
 
 
 
H03F AMPLIFIERS 863
 
 
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 792
 
 
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION644
 
 
 
H03D DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER 544
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 4321

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2012/0284,179 TRANSFER DEVICEJul 20, 12Nov 08, 12[G06Q]
2012/0284,368 TRANSFER DEVICEJul 20, 12Nov 08, 12[G06F]
2009/0197,646 METHOD AND SYSTEM FOR MOBILE COMMUNICATIONSApr 09, 09Aug 06, 09[H04M]
2009/0190,761 METHOD AND SYSTEM FOR MOBILE COMMUNICATIONSFeb 06, 09Jul 30, 09[H04L]
2009/0191,924 Method and System for Mobile CommunicationsJan 28, 09Jul 30, 09[H04B]
2009/0149,181 METHOD AND SYSTEM FOR MOBILE COMMUNICATIONSJan 30, 09Jun 11, 09[H04W]
2009/0149,182 METHOD AND SYSTEM FOR MOBILE COMMUNICATIONSFeb 03, 09Jun 11, 09[H04W]
2009/0141,687 METHOD AND SYSTEM FOR MOBILE COMMUNICATIONSFeb 04, 09Jun 04, 09[H04W]
2008/0108,356 Method and system for mobile communicationsMay 30, 07May 08, 08[H04Q]
2007/0298,804 Method and system for mobile communicationsFeb 28, 07Dec 27, 07[H04Q]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,185,158 Method and system for mobile communicationsApr 09, 09May 22, 12[H04B]
7,577,435 Method and system for mobile communicationsApr 05, 06Aug 18, 09[H04Q]
7,519,102 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]
7,469,365 Method and device for interleaving and method and device for de-interleavingSep 29, 06Dec 23, 08[G06F]
7,428,667 Method and device for interleaving and method and device for de-interleavingSep 29, 06Sep 23, 08[G06F]
7,403,489 Frame synchronization circuitJul 03, 07Jul 22, 08[H04J]
7,383,045 Method and system for mobile communicationsMar 28, 06Jun 03, 08[H04Q]
7,362,715 Frame synchronization circuitSep 08, 05Apr 22, 08[H04J]
7,304,970 Traffic control method for mobile data communication, mobile station device and base station deviceDec 06, 99Dec 04, 07[H04B]
7,236,787 Method and system for mobile communicationsApr 24, 98Jun 26, 07[H04Q]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
6,950,423 Packet transmission method, packet transmission device, radio frame transmission method, mobile communication method, mobile communication system, and exchangeSep 11, 98Sep 27, 05[H04L, H04J, H04B]
6,912,394 Radio line allocation judging method in mobile communication system and radio lineFeb 16, 00Jun 28, 05[H04Q]
6,744,784 Method of transmitting variable-length frame, transmitter, and receiverDec 29, 98Jun 01, 04[H04J]
6,728,322 Sequential decoder, and receiver using sequential decoderFeb 04, 00Apr 27, 04[H04L, H03D]
6,694,480 Receiving apparatus, receiving method, transmission system and transmission methodJun 07, 00Feb 17, 04[G06F, H03M]
6,587,681 Mail reception notifying system and mail reception notifying methodFeb 17, 98Jul 01, 03[H04M]
6,512,748 Radio paging signal coding control scheme using variable number of logical channels according to paging signal trafficJan 28, 99Jan 28, 03[H04J, H04Q, H04B]
6,512,924 Mobile communications systemJun 01, 99Jan 28, 03[H04Q]
6,483,866 Multi-station transmission method and receiver for inverse transforming two pseudo-orthogonal transmission sequences used for metric calculation and base station selection based thereonJan 24, 95Nov 19, 02[H04J, H04B]
6,351,498 Robust digital modulation and demodulation scheme for radio communications involving fadingNov 19, 98Feb 26, 02[H04L]
6,301,230 Radio paging systemFeb 26, 98Oct 09, 01[H04Q]
6,272,106 Method and device for detecting double-talk, and echo cancelerMar 02, 98Aug 07, 01[H04B]
6,265,935 Amplifier for radio transmissionOct 18, 99Jul 24, 01[H03F]
6,263,214 Method for controlling activation of mobile station, and mobile station using the methodJun 26, 98Jul 17, 01[H04Q, H04B]
6,243,412 Adaptive array transmitter receiverAug 27, 98Jun 05, 01[H04B]
6,134,694 Error control method and error control device for digital communicationOct 10, 96Oct 17, 00[H04L, H03M]
6,122,265 Scheme for wire line data transmission in mobile communication systemMar 14, 97Sep 19, 00[H04J, H04Q]
6,122,765 Receiving apparatus, receiving method, transmission system and transmission methodMar 27, 97Sep 19, 00[H04L]
6,115,425 Variable length coded data transmission device, transmitter side device, receiver side device, and method thereofNov 13, 97Sep 05, 00[H04B]
6,081,919 Coding and decoding system using CRC check bitDec 23, 97Jun 27, 00[H03M]

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