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 52138
 
 
 
H04Q SELECTING 4067
 
 
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 22221
 
 
 
H04J MULTIPLEX COMMUNICATION 15108
 
 
 
H03F AMPLIFIERS 873
 
 
 
H04M TELEPHONIC COMMUNICATION 8146
 
 
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 7102
 
 
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION652
 
 
 
H03D DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER 544
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 4404

Top Patents (by citation)

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Recent Publications

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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]
7,236,787 Method and system for mobile communicationsApr 24, 98Jun 26, 07[H04Q]
7,191,369 Method and device for interleaving and method and device for de-interleavingJul 06, 04Mar 13, 07[G06F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0149,181 METHOD AND SYSTEM FOR MOBILE COMMUNICATIONSABANJan 30, 09Jun 11, 09[H04W]
7,304,970 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 communicationsABANApr 04, 06Aug 10, 06[H04M, H04B]
7,082,310 Radio communication system, frequency allocation method and frequency allocation deviceExpiredJul 29, 03Jul 25, 06[H04Q]
6,950,423 Packet transmission method, packet transmission device, radio frame transmission method, mobile communication method, mobile communication system, and exchangeExpiredSep 11, 98Sep 27, 05[H04L, H04J, H04B]
6,912,394 Radio line allocation judging method in mobile communication system and radio lineExpiredFeb 16, 00Jun 28, 05[H04Q]
6,744,784 Method of transmitting variable-length frame, transmitter, and receiverExpiredDec 29, 98Jun 01, 04[H04J]
6,728,322 Sequential decoder, and receiver using sequential decoderExpiredFeb 04, 00Apr 27, 04[H04L, H03D]
6,694,480 Receiving apparatus, receiving method, transmission system and transmission methodExpiredJun 07, 00Feb 17, 04[G06F, H03M]
6,647,003 Channel estimation unit, and CDMA receiver and CDMA transceiver with channel estimation unitExpiredJul 20, 99Nov 11, 03[H04B]
6,624,784 Adaptive array antennaExpiredMay 30, 00Sep 23, 03[G01S]
6,611,505 Control signal processor and communication systemExpiredJan 19, 99Aug 26, 03[H04L]
6,587,681 Mail reception notifying system and mail reception notifying methodExpiredFeb 17, 98Jul 01, 03[H04M]
6,574,226 Data transmitting methodExpiredFeb 14, 00Jun 03, 03[H04J, H04L]
6,556,552 Signal strength measurement method and deviceExpiredDec 21, 99Apr 29, 03[H04Q]
6,512,748 Radio paging signal coding control scheme using variable number of logical channels according to paging signal trafficExpiredJan 28, 99Jan 28, 03[H04J, H04Q, H04B]
6,512,924 Mobile communications systemExpiredJun 01, 99Jan 28, 03[H04Q]
6,512,934 Adaptive array antennaExpiredAug 25, 98Jan 28, 03[H04Q]
6,507,566 Mobile communication device, mobile data communication method, and recording mediumExpiredAug 10, 98Jan 14, 03[H04N, H04M, H04B]
6,507,605 Rake receiver in direct spreading CDMA transmissionExpiredAug 24, 99Jan 14, 03[H04B]

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