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Shinzo Ohkubo
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Tokorozawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Personal information protecting method and mobile terminal
Patent number
8,041,340
Issue date
Oct 18, 2011
NTT DoCoMo, Inc.
Shinzo Ohkubo
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
Sending radio station, receiving radio station, radio communication...
Patent number
7,457,230
Issue date
Nov 25, 2008
NTT DoCoMo, Inc.
Shinzo Ohkubo
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
Mobile communication systems, mobile communication methods, base st...
Patent number
7,203,508
Issue date
Apr 10, 2007
NTT DoCoMo, Inc.
Shinzo Ohkubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio communication system, communication terminal, and method for...
Patent number
7,190,967
Issue date
Mar 13, 2007
NTT DoCoMo, Inc.
Hiroyuki Kawai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio communication system, communication terminal apparatus, base...
Patent number
7,190,930
Issue date
Mar 13, 2007
NTT DoCoMo, Inc.
Shinzo Ohkubo
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
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
Radio paging system
Patent number
6,356,579
Issue date
Mar 12, 2002
NTT Communications Network, Inc.
Shogo Ito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Robust digital modulation and demodulation scheme for radio communi...
Patent number
6,351,498
Issue date
Feb 26, 2002
NTT Mobile Communications Network Inc.
Yasushi Yamao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communications system for repeatedly transmitting paging sig...
Patent number
5,826,172
Issue date
Oct 20, 1998
NTT Mobile Communications Network, Inc.
Shogo Ito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Time diversity communications system
Patent number
5,794,124
Issue date
Aug 11, 1998
NTT Mobile Communications Network Inc.
Shogo Ito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Receiver with symbol rate sync
Patent number
5,760,702
Issue date
Jun 2, 1998
NIT Mobile Communications Network Inc.
Shogo Ito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
PERSONAL INFORMATION PROTECTING METHOD AND MOBILE TERMINAL
Publication number
20070232270
Publication date
Oct 4, 2007
NTT DoCoMo, Inc.
Shinzo Ohkubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DATA LINK TRANSMISSION CONTROL METHODS, MOBILE COMMUNICATION SYSTEM...
Publication number
20070115914
Publication date
May 24, 2007
NTT DoCoMo, Inc.
Shinzo Ohkubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DATA LINK TRANSMISSION CONTROL METHODS, MOBILE COMMUNICATION SYSTEM...
Publication number
20070115881
Publication date
May 24, 2007
NTT DoCoMo, Inc.
Shinzo Ohkubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RADIO COMMUNICATION SYSTEM, COMMUNICATION TERMINAL APPARATUS, BASE...
Publication number
20070117582
Publication date
May 24, 2007
NTT DoCoMo, Inc.
Shinzo Ohkubo
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
Mobile communication systems, mobile communication methods, base st...
Publication number
20060084475
Publication date
Apr 20, 2006
NTT DoCoMo, Inc.
Shinzo Ohkubo
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
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
Sending radio station, receiving radio station, radio communication...
Publication number
20040258098
Publication date
Dec 23, 2004
NTT DoCoMo, Inc.
Shinzo Ohkubo
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
Radio communication system, communication terminal apparatus, base...
Publication number
20040009784
Publication date
Jan 15, 2004
Shinzo Ohkubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Radio communication system, communication terminal, and method for...
Publication number
20030040283
Publication date
Feb 27, 2003
NTT DoCoMo, Inc.
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
Mobile communication systems, mobile communication methods, base st...
Publication number
20030003937
Publication date
Jan 2, 2003
NTT DoCoMo, Inc.
Shinzo Ohkubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Data link transmission control methods, mobile communication system...
Publication number
20020181437
Publication date
Dec 5, 2002
NTT DoCoMo, Inc.
Shinzo Ohkubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multicast signal transmission power control method and base station...
Publication number
20010046877
Publication date
Nov 29, 2001
NTT DoCoMo, Inc.
Shinzo Ohkubo
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