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Yoichi Matsumoto
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Wireless communication apparatus and wireless communication method
Patent number
8,233,443
Issue date
Jul 31, 2012
NTT DoCoMo, Inc.
Hidenori Aoki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Channel allocation for access point in mesh network
Patent number
7,990,863
Issue date
Aug 2, 2011
NTT DoCoMo, Inc.
Kengo Yagyu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication apparatus, communication routing control app...
Patent number
7,948,891
Issue date
May 24, 2011
NTT DoCoMo, Inc.
Shinji Takeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Channel allocation for access point in mesh network
Patent number
7,738,374
Issue date
Jun 15, 2010
NTT DoCoMo, Inc.
Kengo Yagyu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Content distribution system and method
Patent number
7,716,245
Issue date
May 11, 2010
NTT DoCoMo, Inc.
Koji Omae
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Security group management system
Patent number
7,647,036
Issue date
Jan 12, 2010
NTT DoCoMo, Inc.
Koji Omae
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Integrated circuit device for RS-232C line receiver
Patent number
5,327,463
Issue date
Jul 5, 1994
NEC Corporation
Yoichi Matsumoto
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD
Publication number
20090268663
Publication date
Oct 29, 2009
NTT DoCoMo, Inc.
Hidenori Aoki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless Communication Apparatus, Communication Routing Control App...
Publication number
20090052374
Publication date
Feb 26, 2009
Shinji Takeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CHANNEL ALLOCATION FOR ACCESS POINT IN MESH NETWORK
Publication number
20080069059
Publication date
Mar 20, 2008
NTT DoCoMo, Inc.
Kengo Yagyu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Security group management system
Publication number
20060174121
Publication date
Aug 3, 2006
NTT DoCoMo, Inc.
Koji Omae
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Access information relay device, a network device, an access inform...
Publication number
20060173846
Publication date
Aug 3, 2006
NTT DoCoMo, Inc.
Koji Omae
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Content distribution system and method
Publication number
20060171535
Publication date
Aug 3, 2006
NTT DoCoMo, Inc.
Koji Omae
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Channel allocation for access point in mesh network
Publication number
20060019673
Publication date
Jan 26, 2006
NTT DoCoMo, Inc.
Kengo Yagyu
H04 - ELECTRIC COMMUNICATION TECHNIQUE