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Masaaki Shida
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Hachiouji, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Radio communication system and a repeater
Patent number
9,100,082
Issue date
Aug 4, 2015
Hitachi Metals, Ltd.
Masaaki Shida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Distributed antenna system
Patent number
8,923,908
Issue date
Dec 30, 2014
Hitachi Metals, Ltd.
Masaaki Shida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
MIMO wireless data communication system, MIMO wireless data communi...
Patent number
8,494,076
Issue date
Jul 23, 2013
Hitachi, Ltd.
Shigenori Hayase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication method, wireless communication apparatus and...
Patent number
8,363,634
Issue date
Jan 29, 2013
Hitachi, Ltd.
Keisuke Yamamoto
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 communication system and wireless communication method
Patent number
8,184,724
Issue date
May 22, 2012
Hitachi, Ltd.
Keisuke Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for peak suppression in wireless communication...
Patent number
8,155,219
Issue date
Apr 10, 2012
Hitachi, Ltd.
Shigenori Hayase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless transceiver
Patent number
8,111,667
Issue date
Feb 7, 2012
Hitachi, Ltd.
Masaaki Shida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
MIMO wireless data communication system, MIMO wireless data communi...
Patent number
7,817,741
Issue date
Oct 19, 2010
Hitachi, Ltd.
Shigenori Hayase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
MIMO wireless data transmission system
Patent number
7,773,686
Issue date
Aug 10, 2010
Hitachi, Ltd.
Masaaki Shida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio communication device
Patent number
7,660,288
Issue date
Feb 9, 2010
Hitachi, Ltd.
Masaaki Shida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless transceiver having plural transmission methods
Patent number
7,493,092
Issue date
Feb 17, 2009
Hitachi, Ltd.
Masaaki Shida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Frequency offset cancellation circuit for data determination in wir...
Patent number
7,386,067
Issue date
Jun 10, 2008
Renesas Technology Corporation
Takao Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method, system, and apparatus for detecting a position of a termina...
Patent number
7,353,032
Issue date
Apr 1, 2008
Hitachi, Ltd.
Atsushi Ogino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method, system, and apparatus for detecting a position of a termina...
Patent number
7,167,712
Issue date
Jan 23, 2007
Hitachi, Ltd.
Atsushi Ogino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Positioning system and method based on time difference of arrival
Patent number
7,139,583
Issue date
Nov 21, 2006
Hitachi, Ltd.
Ryota Yamasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Frequency offset cancellation circuit for data determination in FM...
Patent number
7,136,433
Issue date
Nov 14, 2006
Renesas Technology Corp.
Takao Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Charging method and terminal equipment in the information and commu...
Patent number
7,016,665
Issue date
Mar 21, 2006
Hitachi, Ltd.
Tsuyoshi Tamaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Contactless IC card
Patent number
6,963,269
Issue date
Nov 8, 2005
Hitachi, Ltd.
Takeshi Saitoh
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Charging method and terminal equipment in the information and commu...
Patent number
6,675,007
Issue date
Jan 6, 2004
Hitachi, Ltd.
Tsuyoshi Tamaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Contactless IC card
Patent number
6,570,490
Issue date
May 27, 2003
Hitachi, Ltd.
Takeshi Saitoh
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Automatic identification equipment and IC cards
Patent number
6,527,177
Issue date
Mar 4, 2003
Hitachi, Ltd.
Tomoaki Ishifuji
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Automatic identification equipment and IC cards
Patent number
6,508,400
Issue date
Jan 21, 2003
Hitachi, Ltd.
Tomoaki Ishifuji
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Wireless LAN system
Patent number
6,031,863
Issue date
Feb 29, 2000
Hitachi, Ltd.
Hidehiko Jusa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Frequency-hopped wireless communication system and mobile wireless...
Patent number
6,014,406
Issue date
Jan 11, 2000
Hitachi, Ltd.
Masaaki Shida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Moving object identification method and apparatus
Patent number
6,010,075
Issue date
Jan 4, 2000
Hitachi, Ltd.
Tomoaki Ishifuji
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
DISTRIBUTED ANTENNA SYSTEM
Publication number
20120308238
Publication date
Dec 6, 2012
Hitachi Cable, Ltd.
Masaaki Shida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Radio communication system and a repeater
Publication number
20120207065
Publication date
Aug 16, 2012
Hitachi Cable, Ltd.
Masaaki Shida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless Communication System and Wireless Communication Method
Publication number
20110243203
Publication date
Oct 6, 2011
Hitachi, Ltd
Keisuke Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MIMO wireless data communication system, MIMO wireless data communi...
Publication number
20110033005
Publication date
Feb 10, 2011
Hitachi, Ltd.
Shigenori Hayase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mimo wireless data transmission system
Publication number
20100278279
Publication date
Nov 4, 2010
Hitachi, Ltd.
Masaaki Shida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless Transceiver
Publication number
20090147838
Publication date
Jun 11, 2009
Masaaki Shida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Apparatus and Method for Peak Suppression in Wireless Communication...
Publication number
20090060070
Publication date
Mar 5, 2009
Hitachi, Ltd.
Shigenori Hayase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MIMO WIRELESS COMMUNICATION SYSTEM, MIMO WIRELESS COMMUNICATION APP...
Publication number
20080267133
Publication date
Oct 30, 2008
Masaaki Shida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MIMO wireless data transmission system
Publication number
20080056140
Publication date
Mar 6, 2008
Masaaki Shida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless Communication System Capable of Switching Protocol
Publication number
20070286102
Publication date
Dec 13, 2007
Isao Shimokawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless communication method, wireless communication apparatus and...
Publication number
20070286149
Publication date
Dec 13, 2007
Hitachi, Ltd.
Keisuke Yamamoto
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
MIMO wireless data communication system, MIMO wireless data communi...
Publication number
20070263745
Publication date
Nov 15, 2007
Hitachi, Ltd.
Shigenori Hayase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Radio communication device
Publication number
20070086400
Publication date
Apr 19, 2007
Masaaki Shida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method, system, and apparatus for detecting a position of a termina...
Publication number
20070087760
Publication date
Apr 19, 2007
Hitachi, Ltd.
Atsushi Ogino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Frequency offset cancellation circuit for data determination in wir...
Publication number
20070030928
Publication date
Feb 8, 2007
RENESAS TECHNOLOGY CORPORATION
Takao Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless transceiver
Publication number
20060270427
Publication date
Nov 30, 2006
Masaaki Shida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Ultra-wideband transmitter and transceiver using the same
Publication number
20060140253
Publication date
Jun 29, 2006
RENESAS TECHNOLOGY CORP.
Akira Maeki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless communication systems
Publication number
20060128414
Publication date
Jun 15, 2006
Hitachi, Ltd.
Masaaki Shida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Positioning system and method based on time difference of arrival
Publication number
20040157621
Publication date
Aug 12, 2004
Hitachi., Ltd.
Ryota Yamasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method, system, and apparatus for detecting a position of a termina...
Publication number
20040046693
Publication date
Mar 11, 2004
Atsushi Ogino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Contactless IC card
Publication number
20030189483
Publication date
Oct 9, 2003
Hitachi, Ltd.
Takeshi Saitoh
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Charging method and terminal equipment in the information and commu...
Publication number
20030054795
Publication date
Mar 20, 2003
Hitachi, Ltd.
Tsuyoshi Tamaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Charging method and terminal equipment in the information and commu...
Publication number
20030054796
Publication date
Mar 20, 2003
Hitachi, Ltd.
Tsuyoshi Tamaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Semiconductor integrated circuit device and wireless communication...
Publication number
20030043937
Publication date
Mar 6, 2003
Hitachi, Ltd.
Takao Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE