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Koganei, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Base station and wireless communication system
Patent number
10,375,688
Issue date
Aug 6, 2019
Godo Kaisha IP Bridge 1
Go Ono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Relay communication apparatus and multistage relay communication sy...
Patent number
8,971,318
Issue date
Mar 3, 2015
Hitachi, Ltd.
Tsutomu Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Monitoring system, device, and method
Patent number
8,879,577
Issue date
Nov 4, 2014
Hitachi, Ltd.
May Takada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Control node in a communication system using multiple wireless reso...
Patent number
8,831,609
Issue date
Sep 9, 2014
Hitachi, Ltd.
May Takada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication apparatus and wireless communication method
Patent number
8,705,386
Issue date
Apr 22, 2014
Hitachi, Ltd.
Tsutomu Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio communications system
Patent number
8,447,311
Issue date
May 21, 2013
Hitachi, Ltd.
Kenzaburo Fujishima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, apparatus and method thereof
Patent number
8,204,144
Issue date
Jun 19, 2012
Hitachi, Ltd.
May Takada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Base station and mobile station for OFDMA cellular system
Patent number
8,111,683
Issue date
Feb 7, 2012
Hitachi, Ltd.
Tomonori Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication system using multiple wireless resources during a sof...
Patent number
7,894,817
Issue date
Feb 22, 2011
Hitachi, Ltd.
May Takada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Base Station and Wireless Communication System
Publication number
20160198458
Publication date
Jul 7, 2016
Hitachi, Ltd
Go Ono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
REMOTE MONITORING SYSTEM, NETWORK INTERCONNECTION DEVICE AND COMMUN...
Publication number
20130185417
Publication date
Jul 18, 2013
Hitachi, Ltd.
Shoji YUNOKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RELAY COMMUNICATION APPARATUS AND MULTISTAGE RELAY COMMUNICATION SY...
Publication number
20130121238
Publication date
May 16, 2013
Hitachi, Ltd
Tsutomu Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MONITORING SYSTEM, DEVICE, AND METHOD
Publication number
20120320928
Publication date
Dec 20, 2012
Hitachi, Ltd
May Takada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION APPARATUS, COMMUNICATION METHOD AND REMOTE MONITORING...
Publication number
20120317278
Publication date
Dec 13, 2012
Hitachi, Ltd
Satoshi TAMAKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BASE STATION AND MOBILE STATION FOR OFDMA CELLULAR SYSTEM
Publication number
20120120876
Publication date
May 17, 2012
Tomonori YAMAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless Communication System and Communication Control Method
Publication number
20110287791
Publication date
Nov 24, 2011
HITACHI LTD
Kenzaburo Fujishima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Base Station and Wireless Communication System
Publication number
20110287798
Publication date
Nov 24, 2011
HITACHI, LTD.
Go Ono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK SYSTEMS, NETWORK INTERCONNECTION DEVICES, AND DATA TRANSMIS...
Publication number
20110182196
Publication date
Jul 28, 2011
Hitachi, Ltd.
Shoji YUNOKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEM USING MULTIPLE WIRELESS RESOURCES DURING A SOF...
Publication number
20110142007
Publication date
Jun 16, 2011
Hitachi, Ltd
May Takada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless Communication System, Wireless Communication Device, and W...
Publication number
20110134876
Publication date
Jun 9, 2011
Hitachi, Ltd
May Takada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD
Publication number
20100329137
Publication date
Dec 30, 2010
Hitachi, Ltd.
Tsutomu YAMADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RADIO COMMUNICATIONS SYSTEM
Publication number
20100234035
Publication date
Sep 16, 2010
Hitachi, Ltd
Kenzaburo Fujishima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RADIO COMMUNICATIONS SYSTEM, BASE STATION APPARATUS, GATEWAY APPARA...
Publication number
20100216450
Publication date
Aug 26, 2010
Hitachi, Ltd
Kenzaburo FUJISHIMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless Communication System, Apparatus and Method Thereof
Publication number
20100027595
Publication date
Feb 4, 2010
Hitachi Communication Technologies, Ltd.
May TAKADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BASE STATION AND MOBILE STATION FOR OFDMA CELLULAR SYSTEM
Publication number
20090232236
Publication date
Sep 17, 2009
Tomonori YAMAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Handoff method for communication system using multiple wireless res...
Publication number
20080057970
Publication date
Mar 6, 2008
Hitachi Communication Technologies, Ltd.
May Takada
H04 - ELECTRIC COMMUNICATION TECHNIQUE