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Shinji Murai
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Hachioji, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Wireless communication system, frequency channel sharing method, an...
Patent number
9,408,213
Issue date
Aug 2, 2016
Hitachi Kokusai Electric Inc.
Takashi Ishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, transmission power control method, a...
Patent number
9,265,010
Issue date
Feb 16, 2016
Hitachi Kokusai Electric Inc.
Shinji Murai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission system, repeater and receiver
Patent number
8,498,204
Issue date
Jul 30, 2013
Hitachi, Ltd.
Hidehiro Toyoda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Systems and methods for wireless communication using SDMA
Patent number
8,310,995
Issue date
Nov 13, 2012
Hitachi, Ltd.
Shinji Murai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless data communication system, wireless data communication met...
Patent number
7,209,765
Issue date
Apr 24, 2007
Hitachi, Ltd.
Shigenori Hayase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, FREQUENCY CHANNEL SHARING METHOD, AN...
Publication number
20150156775
Publication date
Jun 4, 2015
Hitachi Kokusai Electric Inc.
Takashi Ishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, TRANSMISSION POWER CONTROL METHOD, A...
Publication number
20150148091
Publication date
May 28, 2015
Hitachi Kokusai Electric Inc.,
Shinji Murai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION SYSTEM, REPEATER AND RECEIVER
Publication number
20100246389
Publication date
Sep 30, 2010
Hitachi, Ltd
Hidehiro Toyoda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Systems and methods for wireless communication
Publication number
20070274256
Publication date
Nov 29, 2007
Hitachi, Ltd.
Shinji Murai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS DATA COMMUNICATION SYSTEM, WIRELESS DATA COMMUNICATION MET...
Publication number
20070081450
Publication date
Apr 12, 2007
Shigenori Hayase
H04 - ELECTRIC COMMUNICATION TECHNIQUE