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Fumiyoshi Kirino
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Sugunami, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for recording information data to a recording medium by irra...
Patent number
7,352,658
Issue date
Apr 1, 2008
Hitachi Maxell, Ltd.
Katsusuke Shimazaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optical data recording/reproducing method
Patent number
7,227,818
Issue date
Jun 5, 2007
Hitachi, Ltd.
Tsuyoshi Toda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording media and magnetic storage apparatus using the same
Patent number
7,050,253
Issue date
May 23, 2006
Hitachi Global Storage Technologies Japan, Ltd.
Tetsuya Kanbe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Information recording medium with magnetic marks, recording and rep...
Patent number
6,970,400
Issue date
Nov 29, 2005
Hitachi Maxell, Ltd.
Kouichirou Wakabayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording medium and information recording device
Patent number
6,944,117
Issue date
Sep 13, 2005
Hitachi, Ltd.
Hiroki Yamamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium with high thermal stability, method for p...
Patent number
6,893,746
Issue date
May 17, 2005
Hitachi Maxell, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Grant
Optically functional element and production method and application...
Patent number
6,844,092
Issue date
Jan 18, 2005
Hitachi, Ltd.
Hiroki Yamamoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Optically functional element and production method and application...
Patent number
6,790,502
Issue date
Sep 14, 2004
Hitachi, Ltd.
Hiroki Yamamoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Information recording media and information recording drive
Patent number
6,749,955
Issue date
Jun 15, 2004
Hitachi, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording disk
Patent number
6,746,749
Issue date
Jun 8, 2004
Hitachi, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and its production method, and magnetic r...
Patent number
6,730,421
Issue date
May 4, 2004
Hitachi, Maxell, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Grant
Amorphous magnetic recording medium, process for producing the same...
Patent number
6,699,602
Issue date
Mar 2, 2004
Hitachi Maxell, Ltd.
Mitsutoshi Honda
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording medium with recording film with cobalt oxide...
Patent number
6,700,852
Issue date
Mar 2, 2004
Hitachi, Ltd.
Hiroki Yamamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic storage apparatus
Patent number
6,574,060
Issue date
Jun 3, 2003
Hitachi, Ltd.
Tetsuya Kanbe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Magnetic recording medium and magnetic recording apparatus
Patent number
6,572,988
Issue date
Jun 3, 2003
Hitachi, Ltd.
Nobuyuki Inaba
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording media and information recording drive
Patent number
6,534,206
Issue date
Mar 18, 2003
Hitachi, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording disk
Patent number
6,472,047
Issue date
Oct 29, 2002
Hitachi, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording disk, method of the magnetic recording disk and...
Patent number
6,410,133
Issue date
Jun 25, 2002
Hitachi, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording media
Patent number
6,221,508
Issue date
Apr 24, 2001
Hitachi, Ltd.
Tetsuya Kanbe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Soft magnetic thin film, and magnetic head and magnetic recording d...
Patent number
6,033,792
Issue date
Mar 7, 2000
Hitachi, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Grant
Soft magnetic thin film, and magnetic head and magnetic recording a...
Patent number
5,962,153
Issue date
Oct 5, 1999
Hitachi, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optical recording medium having dielectric layers with diff...
Patent number
5,914,198
Issue date
Jun 22, 1999
Hitachi, Ltd.
Harukazu Miyamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Soft magnetic thin film, and magnetic head and magnetic recording d...
Patent number
5,873,955
Issue date
Feb 23, 1999
Hitachi, Ltd.
Fumiyoshi Kirino
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Soft magnetic thin film, and magnetic head and magnetic recording d...
Patent number
5,858,548
Issue date
Jan 12, 1999
Hitachi, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for recording and reading an optical disk
Patent number
5,848,045
Issue date
Dec 8, 1998
Hitachi, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optical recording medium and method
Patent number
5,814,400
Issue date
Sep 29, 1998
Hitachi, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording method using trial write test pattern
Patent number
5,732,061
Issue date
Mar 24, 1998
Hitachi, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk apparatus and recording and reading method for an opti...
Patent number
5,703,855
Issue date
Dec 30, 1997
Hitachi, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optical disk
Patent number
5,654,058
Issue date
Aug 5, 1997
Hitachi, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetooptic disc apparatus and recording medium
Patent number
5,642,343
Issue date
Jun 24, 1997
Hitachi, Ltd.
Tsuyoshi Toda
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Magnetic recording medium, method for producing the same, and magne...
Publication number
20040166376
Publication date
Aug 26, 2004
Hitachi Maxell, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Application
Information recording medium and information recording device
Publication number
20040091815
Publication date
May 13, 2004
Hiroki Yamamoto
G01 - MEASURING TESTING
Information
Patent Application
Magnetic recording media and magnetic storage apparatus using the same
Publication number
20030218834
Publication date
Nov 27, 2003
Tetsuya Kanbe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Information recording medium, information recording apparatus, and...
Publication number
20030179658
Publication date
Sep 25, 2003
Katsusuke Shimazaki
G11 - INFORMATION STORAGE
Information
Patent Application
Optically functional element and production method and application...
Publication number
20030161986
Publication date
Aug 28, 2003
Hitachi, Ltd
Hiroki Yamamoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Magnetic recording medium, method of manufacture thereof, and magne...
Publication number
20030157373
Publication date
Aug 21, 2003
Fumiyoshi Kirino
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Information recording media and information recording drive
Publication number
20030134154
Publication date
Jul 17, 2003
Hitachi, Ltd
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording disk
Publication number
20020197516
Publication date
Dec 26, 2002
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Application
Amorphous magnetic recording medium, process for producing the same...
Publication number
20020172842
Publication date
Nov 21, 2002
Mitsutoshi Honda
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording disk, method of the magnetic recording disk and...
Publication number
20020110707
Publication date
Aug 15, 2002
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording media and magnetic storage apparatus using the same
Publication number
20010024743
Publication date
Sep 27, 2001
Tetsuya Kanbe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...