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Atsushi FUJIWARA
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Sintered magnet
Patent number
9,997,284
Issue date
Jun 12, 2018
TDK Corporation
Masashi Miwa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Medium access control method and apparatus in wireless distributed...
Patent number
8,446,907
Issue date
May 21, 2013
NTT DoCoMo, Inc.
Lei Du
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Mobile communication system, transmitting station, receiving statio...
Patent number
7,907,890
Issue date
Mar 15, 2011
NTT DoCoMo, Inc.
Shinji Takeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication system, transmitting station, receiving statio...
Patent number
7,881,660
Issue date
Feb 1, 2011
NTT DoCoMo, Inc.
Shinji Takeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication device, a wireless communication system and...
Patent number
7,813,275
Issue date
Oct 12, 2010
NTT DoCoMo, Inc.
Akira Yamada
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
Wireless communication device and wireless communication method
Patent number
7,738,481
Issue date
Jun 15, 2010
NTT DoCoMo, Inc.
Kei Igarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication system, transmission station, reception statio...
Patent number
7,702,280
Issue date
Apr 20, 2010
NTT DoCoMo, Inc.
Shinji Takeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication apparatus and wireless communication method
Patent number
7,697,457
Issue date
Apr 13, 2010
NTT DoCoMo, Inc.
Kei Igarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio frequency assigning apparatus, wireless communication system,...
Patent number
7,693,525
Issue date
Apr 6, 2010
NTT DoCoMo, Inc.
Atsushi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communications apparatus, and routing control and packet t...
Patent number
7,620,010
Issue date
Nov 17, 2009
NTT DoCoMo, Inc.
Shinji Takeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-hop communication system, radio control station, radio statio...
Patent number
7,619,998
Issue date
Nov 17, 2009
NTT DoCoMo, Inc.
Shinji Takeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication apparatus and wireless communication system...
Patent number
7,583,651
Issue date
Sep 1, 2009
NTT DoCoMo, Inc.
Akira Yamada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Radio communication system, base station, relay station, mobile sta...
Patent number
7,519,029
Issue date
Apr 14, 2009
NTT DoCoMo, Inc.
Shinji Takeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system for multi-hop connection, source stat...
Patent number
7,352,729
Issue date
Apr 1, 2008
NTT DoCoMo, Inc.
Atsushi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Received-signal combining method and system
Patent number
6,915,465
Issue date
Jul 5, 2005
NTT DoCoMo, Inc.
Atsushi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Coding and decoding system using CRC check bit
Patent number
6,081,919
Issue date
Jun 27, 2000
NEC Corporation
Atsushi Fujiwara
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
SINTERED MAGNET
Publication number
20150170810
Publication date
Jun 18, 2015
TDK Corporation
Masashi Miwa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
R-T-B RARE EARTH SINTERED MAGNET
Publication number
20120235778
Publication date
Sep 20, 2012
TDK Corporation
Ryota KUNIEDA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
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
Radio Frequency Assigning Apparatus, Wireless Communication System,...
Publication number
20070242650
Publication date
Oct 18, 2007
NTT DoCoMo, Inc.
Atsushi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MOBILE COMMUNICATION SYSTEM, TRANSMITTING STATION, RECEIVING STATIO...
Publication number
20070183321
Publication date
Aug 9, 2007
NTT DoCoMo, Inc.
Shinji Takeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION DEVICE AND WIRELESS COMMUNICATION METHOD
Publication number
20070183326
Publication date
Aug 9, 2007
NTT DoCoMo, Inc.
Kei Igarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MOBILE COMMUNICATION SYSTEM, TRANSMITTING STATION, RECEIVING STATIO...
Publication number
20070178831
Publication date
Aug 2, 2007
NTT DoCoMo, Inc.
Shinji Takeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless communication apparatus and wireless communication method
Publication number
20070086471
Publication date
Apr 19, 2007
NTT DoCoMo, Inc.
Kei Igarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Medium access control method and apparatus in wireless distributed...
Publication number
20070076742
Publication date
Apr 5, 2007
Lei Du
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless communication apparatus and wireless communication system
Publication number
20060221927
Publication date
Oct 5, 2006
NTT DoCoMo, Inc.
Akira Yamada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Wireless communication device, a wireless communication system and...
Publication number
20060056382
Publication date
Mar 16, 2006
NTT DoCoMo, Inc.
Akira Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Information
Patent Application
Wireless communications apparatus, and routing control and packet t...
Publication number
20050237973
Publication date
Oct 27, 2005
NTT DoCoMo, Inc.
Shinji Takeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile communication system, transmission station, reception statio...
Publication number
20040242154
Publication date
Dec 2, 2004
Shinji Takeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multi-hop communication system, radio control station, radio statio...
Publication number
20040166853
Publication date
Aug 26, 2004
NTT DoCoMo, Inc.
Shinji Takeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless communication system for multi-hop connection, source stat...
Publication number
20030165127
Publication date
Sep 4, 2003
NTT DoCoMo, Inc.
Atsushi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Radio communication system, base station, relay station,mobile stai...
Publication number
20030125067
Publication date
Jul 3, 2003
NTT DoCoMo, Inc.
Shinji Takeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Received-signal combining method and system
Publication number
20010020285
Publication date
Sep 6, 2001
NTT DoCoMo, Inc.
Atsushi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE