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Reiji Tamura
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Yawara, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical recording and reproducing apparatus capable of identifying...
Patent number
8,009,547
Issue date
Aug 30, 2011
Hitachi Maxell, Ltd.
Reiji Tamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk with a plurality of radially extending marks for recor...
Patent number
7,505,392
Issue date
Mar 17, 2009
Hitachi Maxell, Ltd.
Reiji Tamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk, method of playing optical disk, and optical disk drive
Patent number
7,236,447
Issue date
Jun 26, 2007
Hitachi Maxell, Ltd.
Tamotsu Iida
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium and method of recording and re...
Patent number
7,033,659
Issue date
Apr 25, 2006
Hitachi Maxell, Ltd.
Hiroshi Shirai
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording medium and method for manufacturing informati...
Patent number
6,806,030
Issue date
Oct 19, 2004
Hitachi, Ltd.
Motoyasu Terao
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optical head having heat sink layer
Patent number
6,781,926
Issue date
Aug 24, 2004
Hitachi Maxell, Limited
Osamu Ishizaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording medium
Patent number
6,709,801
Issue date
Mar 23, 2004
Hitachi, Ltd.
Makoto Miyamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording medium
Patent number
6,383,595
Issue date
May 7, 2002
Hitachi, Ltd.
Akemi Hirotsune
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Optical recording medium
Patent number
5,688,574
Issue date
Nov 18, 1997
Hitachi Maxell, Ltd.
Reiji Tamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording media, manufacturing method for the same, and...
Patent number
5,368,986
Issue date
Nov 29, 1994
Hitachi, Ltd.
Motoyasu Terao
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Optical disk, method for producing the same, and recording and repr...
Publication number
20090141604
Publication date
Jun 4, 2009
HITACHI MAXELL., LTD.
Reiji Tamura
G11 - INFORMATION STORAGE
Information
Patent Application
Information-recording medium
Publication number
20070037093
Publication date
Feb 15, 2007
Hitachi Maxell, Ltd.
Makoto Miyamoto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Information recording medium, information recording and reproducing...
Publication number
20060098564
Publication date
May 11, 2006
Hitachi Maxell, Ltd.
Toshinori Sugiyama
G11 - INFORMATION STORAGE
Information
Patent Application
Information recording medium and manufacturing process
Publication number
20050276211
Publication date
Dec 15, 2005
Akemi Hirotsune
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disk recording and reproducing method and optical disk
Publication number
20050240532
Publication date
Oct 27, 2005
HITACHI MAXELL, LTD.
Tamotsu Iida
G11 - INFORMATION STORAGE
Information
Patent Application
Information recording medium, a method for recording information an...
Publication number
20050180309
Publication date
Aug 18, 2005
Hitachi, Ltd.
Makoto Miyamoto
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disk, recording and reproducing apparatus for the same, and...
Publication number
20050169159
Publication date
Aug 4, 2005
Hitachi Maxell, Ltd.
Reiji Tamura
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disk, method for producing the same, and recording and repr...
Publication number
20050105459
Publication date
May 19, 2005
Hitachi Maxell, Ltd.
Reiji Tamura
G11 - INFORMATION STORAGE
Information
Patent Application
Magneto-optical head having heat sink layer
Publication number
20040246877
Publication date
Dec 9, 2004
Hitachi Maxell, Ltd.
Osamu Ishizaki
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disk, method of playing optical disk, and optical disk drive
Publication number
20040156289
Publication date
Aug 12, 2004
Hitachi Maxell, Ltd.
Tamotsu Iida
G11 - INFORMATION STORAGE
Information
Patent Application
Optical information recording medium and method of recording and re...
Publication number
20040126623
Publication date
Jul 1, 2004
Hiroshi Shirai
G11 - INFORMATION STORAGE
Information
Patent Application
Information-recording medium
Publication number
20040106065
Publication date
Jun 3, 2004
Hitachi Maxell, Ltd.
Makoto Miyamoto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Information recording medium, a method for recording information an...
Publication number
20030186164
Publication date
Oct 2, 2003
Hitachi, Ltd.
Makoto Miyamoto
G11 - INFORMATION STORAGE
Information
Patent Application
Information recording medium and information recording method
Publication number
20030124458
Publication date
Jul 3, 2003
Hitachi Maxell, Ltd.
Minoru Ichijo
G11 - INFORMATION STORAGE
Information
Patent Application
Magneto-optical head and magneto-optical recording apparatus includ...
Publication number
20020097639
Publication date
Jul 25, 2002
Hitachi Maxell, Ltd.
Osamu Ishizaki
G11 - INFORMATION STORAGE
Information
Patent Application
Information recording medium and method for manufacturing informati...
Publication number
20020006684
Publication date
Jan 17, 2002
Motoyasu Terao
G11 - INFORMATION STORAGE
Information
Patent Application
Information recording medium
Publication number
20010016242
Publication date
Aug 23, 2001
Makoto Miyamoto
G11 - INFORMATION STORAGE