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Akihiro Maebara
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Transmission process restriction method, mobile communication syste...
Patent number
8,315,596
Issue date
Nov 20, 2012
NTT DoCoMo, Inc.
Kazunori Obata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication path switching system and method
Patent number
8,111,664
Issue date
Feb 7, 2012
NTT DoCoMo, Inc.
Masafumi Masuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication system, extension transmission/reception serve...
Patent number
7,860,505
Issue date
Dec 28, 2010
NTT DoCoMo, Inc.
Mayu Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication system, extension transmission/reception devic...
Patent number
7,634,293
Issue date
Dec 15, 2009
NTT DoCoMo, Inc.
Masafumi Masuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless channel setting method for mobile communication system and...
Patent number
7,088,960
Issue date
Aug 8, 2006
NTT DoCoMo, Inc.
Yasuhiro Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile station transfer control system, cell transfer control metho...
Patent number
7,039,413
Issue date
May 2, 2006
NTT DoCoMo, Inc.
Masafumi Masuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Call admission control method and communication system to which met...
Patent number
6,983,039
Issue date
Jan 3, 2006
NTT DoCoMo, Inc.
Yoshihiro Ishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio line allocation judging method in mobile communication system...
Patent number
6,912,394
Issue date
Jun 28, 2005
NTT Mobile Communications Network Inc.
Kazunori Obata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus of a mobile communication system which reduces...
Patent number
6,819,661
Issue date
Nov 16, 2004
NTT DoCoMo, Inc.
Ichiro Okajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication system, network and mobile station
Patent number
6,157,837
Issue date
Dec 5, 2000
NTT Mobile Communications Network Inc.
Yasuhiro Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communicating encrypted signals in which random bits and random bit...
Patent number
6,084,966
Issue date
Jul 4, 2000
NTT Mobile Communications Network, Inc.
Akihiro Maebara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication system and transmission station
Patent number
6,021,516
Issue date
Feb 1, 2000
NTT Mobile Communications Network, Inc.
Ichiro Okajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for controlling voice and data communications
Patent number
5,974,044
Issue date
Oct 26, 1999
Mobile Communications Network Inc.
Kimio Ikeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication systems sharing a control channel
Patent number
5,884,165
Issue date
Mar 16, 1999
NTT Mobile Communications Network, Inc.
Noriko Uchida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission of data indicating dynamic transmission/reception periods
Patent number
5,742,909
Issue date
Apr 21, 1998
NTT Mobile Communications Network, Inc.
Noriko Uchida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Terminal, network, and communication system
Patent number
5,721,742
Issue date
Feb 24, 1998
NTT Mobile Communications Network Inc.
Ichiro Okajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Random access system of a mobile communication system
Patent number
5,689,503
Issue date
Nov 18, 1997
NTT Mobile Communications Network Inc.
Azusa Wada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio channel switching control method
Patent number
5,258,980
Issue date
Nov 2, 1993
Nippon Telegraph & Telephone Corporation
Akihiro Maebara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
TRANSMISSION PROCESS RESTRICTION METHOD, MOBILE COMMUNICATION SYSTE...
Publication number
20100273496
Publication date
Oct 28, 2010
NTT DoCoMo, Inc.
Kazunori Obata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication Path Switching System and Method
Publication number
20090141674
Publication date
Jun 4, 2009
NTT DoCoMo, Inc.
Masafumi Masuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile communication system, extension transmission/reception devic...
Publication number
20050136950
Publication date
Jun 23, 2005
NTT DoCoMo, Inc.
Masafumi Masuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile communication system, extension transmission/reception serve...
Publication number
20050014498
Publication date
Jan 20, 2005
NTT DoCoMo, Inc.
Mayu Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Call admission control method and communication system to which met...
Publication number
20040009776
Publication date
Jan 15, 2004
NTT DoCoMo, Inc.
Yoshihiro Ishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless channel setting method for mobile communication system and...
Publication number
20040005898
Publication date
Jan 8, 2004
NTT DoCoMo, Inc.
Yasuhiro Kato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile station transfer control system, cell transfer control metho...
Publication number
20030087637
Publication date
May 8, 2003
NTT DoCoMo, Inc.
Masafumi Masuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS OF A MOILE COMMUNICATION SYSTEM WHICH REDUCES...
Publication number
20020044543
Publication date
Apr 18, 2002
ICHIRO OKAJIMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE