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Hirohito Suda
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Yokosuka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Transmitter and method for configuring transmission frame
Patent number
8,306,133
Issue date
Nov 6, 2012
NTT DoCoMo, Inc.
Hirohito Suda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiple-output multiple-input (MIMO) communication system, MIMO re...
Patent number
8,019,013
Issue date
Sep 13, 2011
NTT DoCoMo, Inc.
Takefumi Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless relay system, wireless relay apparatus, and wireless relay...
Patent number
7,826,541
Issue date
Nov 2, 2010
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiple-output multiple-input (MIMO) communication system, MIMO re...
Patent number
7,813,440
Issue date
Oct 12, 2010
NTT DoCoMo, Inc.
Takefumi Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communications system, transmitting station, and receiving...
Patent number
7,783,311
Issue date
Aug 24, 2010
NTT DoCoMo, Inc.
Kosei Takiishi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Orthogonal frequency multi-carrier transmission device and transmis...
Patent number
7,652,981
Issue date
Jan 26, 2010
NTT DoCoMo, Inc.
Shigeru Tomisato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission apparatus and receiving apparatus
Patent number
7,646,820
Issue date
Jan 12, 2010
NTT DoCoMo, Inc.
Jiyun Shen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communications system, communications method, transmitting apparatu...
Patent number
7,633,924
Issue date
Dec 15, 2009
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
OFDM signal frame generator, transmitter, signal transmission syste...
Patent number
7,619,963
Issue date
Nov 17, 2009
NTT DoCoMo, Inc.
Tetsushi Abe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Repeating station, a communication apparatus, and a directivity con...
Patent number
7,606,531
Issue date
Oct 20, 2009
NTT DoCoMo, Inc.
Takahiro Asai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Receiver, a transmitter, a radio communication system and a channel...
Patent number
7,590,200
Issue date
Sep 15, 2009
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless positioning approach using time delay estimates of multipa...
Patent number
7,519,136
Issue date
Apr 14, 2009
NTT DoCoMo, Inc.
Yihong Qi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmitter and transmission controlling method
Patent number
7,499,496
Issue date
Mar 3, 2009
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
OFDM transmitter and OFDM receiver
Patent number
7,480,235
Issue date
Jan 20, 2009
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio relay system, radio relay apparatus, and radio relay method
Patent number
7,463,673
Issue date
Dec 9, 2008
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmitter and transmission control method
Patent number
7,463,698
Issue date
Dec 9, 2008
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio repeater and radio relay transmission method
Patent number
7,430,397
Issue date
Sep 30, 2008
NTT DoCoMo, Inc.
Hirohito Suda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
OFDM receiver
Patent number
7,415,085
Issue date
Aug 19, 2008
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile terminal, control device, communication system and communica...
Patent number
7,313,420
Issue date
Dec 25, 2007
NTT DoCoMo, Inc.
Hirohito Suda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication terminal, server, communication system, commun...
Patent number
7,280,833
Issue date
Oct 9, 2007
NTT DoCoMo, Inc.
Hirohito Suda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and device for transmitting burst signal in mobile communica...
Patent number
7,272,361
Issue date
Sep 18, 2007
NTT DoCoMo, Inc.
Hiroyuki Kawai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adaptive equalizing apparatus and program therefor
Patent number
7,215,704
Issue date
May 8, 2007
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
MIMO receiver and method of reception therefor
Patent number
7,151,808
Issue date
Dec 19, 2006
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system using access points that can be freel...
Patent number
7,075,912
Issue date
Jul 11, 2006
Nippon Telegraph and Telephone Corporation
Hirohito Suda
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, radio transmitter and impedance control method
Patent number
7,006,041
Issue date
Feb 28, 2006
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multicast signal transmission power control method and base station...
Patent number
6,959,199
Issue date
Oct 25, 2005
NTT DoCoMo, Inc.
Shinzo Ohkubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Locating system and method for determining positions of objects
Patent number
6,946,956
Issue date
Sep 20, 2005
Nippon Telegraph and Telephone Corporation
Hitoshi Hayashi
F41 - WEAPONS
Information
Patent Grant
Radio communication system
Patent number
6,934,554
Issue date
Aug 23, 2005
Nippon Telegraph and Telephone Corporation
Kohei Mizuno
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
Patents Applications
last 30 patents
Information
Patent Application
MULTIPLE-OUTPUT MULTIPLE-INPUT (MIMO) COMMUNICATION SYSTEM, MIMO RE...
Publication number
20110007832
Publication date
Jan 13, 2011
NTT DoCoMo, Inc.
Takefumi Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMITTER AND METHOD FOR CONFIGURING TRANSMISSION FRAME
Publication number
20100111207
Publication date
May 6, 2010
NTT DoCoMo, Inc.
Hirohito Suda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Orthogonal frequency multi-carrier transmission device and transmis...
Publication number
20070153673
Publication date
Jul 5, 2007
NTT DoCoMo, Inc.
Shigeru Tomisato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MULTICAST TRANSMISSION METHOD, MULTICAST TRANSMISSION SYSTEM, MOBIL...
Publication number
20070110064
Publication date
May 17, 2007
NTT DoCoMo, Inc.
Shinzo OHKUBO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication system, communication method, transmission device, re...
Publication number
20060031583
Publication date
Feb 9, 2006
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Repeating station, a communication apparatus, and a directivity con...
Publication number
20060003697
Publication date
Jan 5, 2006
NTT DoCoMo, Inc.
Takahiro Asai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless positioning approach using time delay estimates of multipa...
Publication number
20050281363
Publication date
Dec 22, 2005
NTT DoCoMo, Inc.
Yihong Qi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Receiver, a transmitter, a radio communication system and a channel...
Publication number
20050276360
Publication date
Dec 15, 2005
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Transmitter and transmission controlling method
Publication number
20050265468
Publication date
Dec 1, 2005
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Transmission apparatus and receiving apparatus
Publication number
20050265226
Publication date
Dec 1, 2005
NTT DoCoMo, Inc.
Jiyun Shen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Transmitter and transmission control method
Publication number
20050265479
Publication date
Dec 1, 2005
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ID tag, a tag reader, ID tag transmitting and recovering methods, a...
Publication number
20050247779
Publication date
Nov 10, 2005
NTT DoCoMo, Inc.
Shinzo Ohkubo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Communication apparatus
Publication number
20050237918
Publication date
Oct 27, 2005
NTT DoCoMo, Inc.
Takahiro Asai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless relay system, wireless relay apparatus, and wireless relay...
Publication number
20050190822
Publication date
Sep 1, 2005
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Radio relay system, radio relay apparatus, and radio relay method
Publication number
20050190821
Publication date
Sep 1, 2005
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Radio repeater and radio relay transmission method
Publication number
20050130587
Publication date
Jun 16, 2005
NTT DoCoMo, Inc.
Hirohito Suda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OFDM receiver
Publication number
20050129136
Publication date
Jun 16, 2005
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multiple-output multiple-input (MIMO) communication system, MIMO re...
Publication number
20050129137
Publication date
Jun 16, 2005
NTT DoCoMo, Inc.
Takefumi Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OFDM transmitter and OFDM receiver
Publication number
20050099936
Publication date
May 12, 2005
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OFDM signal frame generator, transmitter, signal transmission syste...
Publication number
20050094552
Publication date
May 5, 2005
NTT DoCoMo, Inc.
Tetsushi Abe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless communications system, transmitting station, and receiving...
Publication number
20050054357
Publication date
Mar 10, 2005
NTT DoCoMo, Inc.
Kosei Takiishi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Radio receiver, radio transmitter and impedance control method
Publication number
20050054318
Publication date
Mar 10, 2005
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile communication terminal, server, communication system, commun...
Publication number
20040171373
Publication date
Sep 2, 2004
NTT DoCoMo, Inc.
Hirohito Suda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile terminal, control device, communication system and communica...
Publication number
20040102159
Publication date
May 27, 2004
NTT DoCoMo, Inc.
Hirohito Suda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Adaptive equalizing apparatus and program therefor
Publication number
20040062302
Publication date
Apr 1, 2004
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Locating system and method for determining positions of objects
Publication number
20040021566
Publication date
Feb 5, 2004
Nippon Telegraph and Telephone Corporation
Hitoshi Hayashi
G01 - MEASURING TESTING
Information
Patent Application
MIMO receiver and method of reception therefor
Publication number
20030174767
Publication date
Sep 18, 2003
NTT DoCoMo, Inc.
Hiromasa Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and device for transmitting burst signal in mobile communica...
Publication number
20030036361
Publication date
Feb 20, 2003
Hiroyuki Kawai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multicasting method, multicasting system, mobile station and base s...
Publication number
20030012195
Publication date
Jan 16, 2003
Shinzo Ohkubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless communication system using access points that can be freel...
Publication number
20020151300
Publication date
Oct 17, 2002
Hirohito Suda
H04 - ELECTRIC COMMUNICATION TECHNIQUE