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Yuji Aburakawa
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Yokohama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Communication control method and communication control system
Patent number
7,292,824
Issue date
Nov 6, 2007
NTT DoCoMo, Inc.
Koichiro Yamaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio communication system, radio station, and radio communication...
Patent number
7,209,716
Issue date
Apr 24, 2007
NTT DoCoMo, Inc.
Koji Maeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Information transmission system and information transmission method...
Patent number
7,116,909
Issue date
Oct 3, 2006
NTT DoCoMo, Inc.
Yuji Aburakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio base station system and central control station with unified...
Patent number
7,072,586
Issue date
Jul 4, 2006
NTT DoCoMo, Inc.
Yuji Aburakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio receiver and receiving method for controlling the beam-width...
Patent number
7,046,965
Issue date
May 16, 2006
NTT DoCoMo, Inc.
Koji Maeda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Mobile communication system and switching apparatus
Patent number
7,003,321
Issue date
Feb 21, 2006
NTT DoCoMo, Inc.
Yuji Aburakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication channel setting method, communication controller, and...
Patent number
6,985,737
Issue date
Jan 10, 2006
NTT DoCoMo, Inc.
Koichiro Yamaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Communication control method and communication control system
Publication number
20040203967
Publication date
Oct 14, 2004
NTT DoCoMo, Inc.
Koichiro Yamaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Radio communication system, radio station, and radio communication...
Publication number
20040171352
Publication date
Sep 2, 2004
NTT DoCoMo, Inc.
Koji Maeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Radio receiver and receiving method for controlling the beam-width...
Publication number
20030157897
Publication date
Aug 21, 2003
NTT DoCoMo, Inc.
Koji Maeda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Communication channel setting method, communication controller, and...
Publication number
20030045282
Publication date
Mar 6, 2003
NTT DoCoMo, Inc.
Koichiro Yamaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless base station network system, contorl station, base station...
Publication number
20030007214
Publication date
Jan 9, 2003
Yuji Aburakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Information transmission system and information transmission method...
Publication number
20020109885
Publication date
Aug 15, 2002
NTT DoCoMo, Inc.
Yuji Aburakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical transmitting/receiving method and system, and optical commu...
Publication number
20020109887
Publication date
Aug 15, 2002
NTT DoCoMo, Inc.
Yuji Aburakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile communication system and switching apparatus
Publication number
20020094842
Publication date
Jul 18, 2002
NTT DoCoMo, Inc.
Yuji Aburakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Radio base station system and central control station with unified...
Publication number
20020030870
Publication date
Mar 14, 2002
NTT DoCoMo, Inc.
Yuji Aburakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE