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Hiroyuki Hayashi
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical disc recording device and recording method thereof
Patent number
8,116,180
Issue date
Feb 14, 2012
Hitachi-LG Data Storage, Inc.
Hiroyuki Hayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Radio frequency identification (RFID) tag and manufacturing method...
Patent number
7,916,032
Issue date
Mar 29, 2011
Fujitsu Limited
Shunji Baba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Distortion compensating apparatus
Patent number
7,639,755
Issue date
Dec 29, 2009
Fujitsu Limited
Hiroyoshi Ishikawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Antenna
Patent number
7,595,767
Issue date
Sep 29, 2009
Fujitsu Limited
Andrey Andrenko
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Radio tag
Patent number
7,586,414
Issue date
Sep 8, 2009
Fujitsu Limited
Manabu Kai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Distortion compensation apparatus
Patent number
7,551,905
Issue date
Jun 23, 2009
Fujitsu Limited
Tokuro Kubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adaptive control apparatus
Patent number
7,496,152
Issue date
Feb 24, 2009
Fujitsu Limited
Kazuo Nagatani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electronic tag authentication device and communication adjustment m...
Patent number
7,388,499
Issue date
Jun 17, 2008
Fujitsu Limited
Hiroyuki Hayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Disk tag reading device
Patent number
7,378,970
Issue date
May 27, 2008
Fujitsu Limited
Hiroyuki Hayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Radio frequency identification (RFID) tag and manufacturing method...
Patent number
7,342,498
Issue date
Mar 11, 2008
Fujitsu Limited
Shunji Baba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
RFID tag
Patent number
7,323,994
Issue date
Jan 29, 2008
Fujitsu Limited
Takashi Yamagajo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Write power determining method and write power control method for o...
Patent number
7,298,679
Issue date
Nov 20, 2007
Hitachi-LG Data Storage, Inc.
Hiroharu Sakai
G11 - INFORMATION STORAGE
Information
Patent Grant
Radio tag antenna structure for an optical recording medium and a c...
Patent number
7,248,221
Issue date
Jul 24, 2007
Fujitsu Limited
Manabu Kai
G11 - INFORMATION STORAGE
Information
Patent Grant
Distortion compensator
Patent number
7,106,133
Issue date
Sep 12, 2006
Fujitsu Limited
Hajime Hamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical disk read/write apparatus and writing method
Patent number
7,102,975
Issue date
Sep 5, 2006
Hitachi-LG Data Storage, Inc.
Hiroharu Sakai
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording and reproducing apparatus and disk discrimina...
Patent number
6,700,846
Issue date
Mar 2, 2004
Hitachi, Ltd.
Tokinori Furuichi
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording and reproducing apparatus and disk discrimina...
Patent number
6,510,115
Issue date
Jan 21, 2003
Hitachi, Ltd.
Tokinori Furuichi
G11 - INFORMATION STORAGE
Information
Patent Grant
Record medium reproducing device
Patent number
5,392,413
Issue date
Feb 21, 1995
Hitachi, Ltd.
Naomi Nomura
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
RADIO FREQUENCY IDENTIFICATION (RFID) TAG AND MANUFACTURING METHOD...
Publication number
20080122630
Publication date
May 29, 2008
FUJITSU LIMITED
Shunji Baba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OPTICAL DISC RECORDING DEVICE AND RECORDING METHOD THEREOF
Publication number
20080117750
Publication date
May 22, 2008
Hiroyuki Hayashi
G11 - INFORMATION STORAGE
Information
Patent Application
Antenna
Publication number
20070241969
Publication date
Oct 18, 2007
Andrey Andrenko
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical disk apparatus and a method for controlling overwrite opera...
Publication number
20070070844
Publication date
Mar 29, 2007
Hitachi-LG Data Storage, Inc.
Hiroyuki Hayashi
G11 - INFORMATION STORAGE
Information
Patent Application
Radio tag antenna structure for an optical recording medium and a c...
Publication number
20070018893
Publication date
Jan 25, 2007
Manabu Kai
G11 - INFORMATION STORAGE
Information
Patent Application
Radio tag
Publication number
20060208901
Publication date
Sep 21, 2006
Manabu Kai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
RFID tag
Publication number
20060097058
Publication date
May 11, 2006
FUJITSU LIMITED
Takashi Yamagajo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Radio frequency identification (RFID) tag and manufacturing method...
Publication number
20060032926
Publication date
Feb 16, 2006
FUJITSU LIMITED
Shunji Baba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Electronic tag authentication device and communication adjustment m...
Publication number
20060022884
Publication date
Feb 2, 2006
Hiroyuki Hayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Disk tag reading device
Publication number
20060023575
Publication date
Feb 2, 2006
Hiroyuki Hayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Radio tag antenna structure for an optical recording medium and a c...
Publication number
20060012527
Publication date
Jan 19, 2006
Manabu Kai
G11 - INFORMATION STORAGE
Information
Patent Application
Distortion compensation apparatus
Publication number
20050101258
Publication date
May 12, 2005
Tokuro Kubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Write power determining method and write power control method for o...
Publication number
20050094512
Publication date
May 5, 2005
Hitachi-LG Data Storage, Inc.
Hiroharu Sakai
G11 - INFORMATION STORAGE
Information
Patent Application
Distortion compensator
Publication number
20050073361
Publication date
Apr 7, 2005
Hajime Hamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Adaptive control apparatus
Publication number
20050058220
Publication date
Mar 17, 2005
Kazuo Nagatani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Distortion compensating apparatus
Publication number
20050047521
Publication date
Mar 3, 2005
Hiroyoshi Ishikawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Optical disk read/write apparatus and writing method
Publication number
20040145977
Publication date
Jul 29, 2004
Hitachi-LG Data Storage, Inc.
Hiroharu Sakai
G11 - INFORMATION STORAGE
Information
Patent Application
Information recording and reproducing apparatus and disk discrimina...
Publication number
20030095486
Publication date
May 22, 2003
Hitachi, Ltd
Tokinori Furuichi
G11 - INFORMATION STORAGE
Information
Patent Application
Information recording and reproducing apparatus and disk discrimina...
Publication number
20020012303
Publication date
Jan 31, 2002
Hitachi, Ltd.
Tokinori Furuichi
G11 - INFORMATION STORAGE