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last 30 patents
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Patent Grant
Perpendicular magnetic recording medium, manufacturing method there...
Patent number
7,901,803
Issue date
Mar 8, 2011
Showa Denko K.K.
Tomoyuki Maeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium, method for producing thereof, and magnet...
Patent number
7,867,638
Issue date
Jan 11, 2011
Showa Denko K.K.
Akira Sakawaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium, manufacturing method for the magnetic re...
Patent number
7,781,081
Issue date
Aug 24, 2010
Showa Denko K.K.
Tomoyuki Maeda
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Perpendicular magnetic recording medium and magnetic recording/repr...
Patent number
7,601,445
Issue date
Oct 13, 2009
Showa Denko K.K.
Takeshi Iwasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium, production process thereof, and magnetic...
Patent number
7,470,474
Issue date
Dec 30, 2008
Kabushiki Kaisha Toshiba
Akira Sakawaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium, method for manufacturing t...
Patent number
7,289,298
Issue date
Oct 30, 2007
Kabushiki Kaisha Toshiba
Tomoyuki Maeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium and magnetic recording/reproducing apparatus
Patent number
7,252,896
Issue date
Aug 7, 2007
Kabushiki Kaisha Toshiba
Futoshi Nakamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium including a high-magnetostriction layer a...
Patent number
7,166,376
Issue date
Jan 23, 2007
Showa Denko K.K.
Takashi Hikosaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium utilizing a multi-layered soft magnetic u...
Patent number
7,166,375
Issue date
Jan 23, 2007
Showa Denko K.K.
Kenji Shimizu
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium and magnetic recording/repr...
Patent number
7,141,316
Issue date
Nov 28, 2006
Kabushiki Kaisha Toshiba
Takeshi Iwasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium, method of manufacturing the same, and ma...
Patent number
7,141,315
Issue date
Nov 28, 2006
Showa Denko K.K.
Kenji Shimizu
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium and magnetic recording/repr...
Patent number
7,132,176
Issue date
Nov 7, 2006
Kabushiki Kaisha Toshiba
Takeshi Iwasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium and magnetic recording/repr...
Patent number
7,105,239
Issue date
Sep 12, 2006
Kabushiki Kaisha Toshiba
Soichi Oikawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium and magnetic recording appa...
Patent number
6,902,835
Issue date
Jun 7, 2005
Kabushiki Kaisha Toshiba
Takashi Hikosaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium and magnetic recording-repr...
Patent number
6,846,581
Issue date
Jan 25, 2005
Kabushiki Kaisha Toshiba
Soichi Oikawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording media and magnetic recording/reproduction appara...
Patent number
6,754,020
Issue date
Jun 22, 2004
Kabushiki Kaisha Toshiba
Takashi Hikosaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium, method of manufacture therefor, and magn...
Patent number
6,723,458
Issue date
Apr 20, 2004
Showa Denko K.K.
Kenji Shimizu
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium and magnetic recording appa...
Patent number
6,713,197
Issue date
Mar 30, 2004
Kabushiki Kaisha Toshiba
Futoshi Nakamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
6,620,533
Issue date
Sep 16, 2003
Kabushiki Kaisha Toshiba
Takashi Hikosaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium and a magnetic reproducing...
Patent number
6,548,194
Issue date
Apr 15, 2003
Kabushiki Kaisha Toshiba
Takashi Hikosaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording apparatus
Patent number
6,174,597
Issue date
Jan 16, 2001
Kabushiki Kaisha Toshiba
Keiichiro Yusu
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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Patent Application
ELECTRONIC DEVICE, OPERATION CONTROL METHOD, AND PROGRAM
Publication number
20140128126
Publication date
May 8, 2014
NEC CASIO MOBILE COMMUNICATIONS, LTD.
Futoshi Nakamura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MAGNETIC RECORDING MEDIUM, METHOD FOR PRODUCING THEREOF, AND MAGNET...
Publication number
20090141399
Publication date
Jun 4, 2009
SHOWA DENKO K.K.
Akira SAKAWAKI
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic Recording Medium, Method Of Manufacturing Therefor, And Ma...
Publication number
20080057348
Publication date
Mar 6, 2008
Kenji Shimizu
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular Magnetic Recording Medium Using Soft Magnetic Layer W...
Publication number
20070217067
Publication date
Sep 20, 2007
KABUSHIKI KAISHA TOSHIBA and SHOWA DENKO K.K.
Futoshi Nakamura
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium, manufacturing method for the magnetic re...
Publication number
20070148500
Publication date
Jun 28, 2007
Tomoyuki Maeda
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Magnetic recording medium, method of producing the same and magneti...
Publication number
20070111035
Publication date
May 17, 2007
Showa Denko K.K.
Kenji Shimizu
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium using grain isolation type film as under...
Publication number
20070072012
Publication date
Mar 29, 2007
Futoshi Nakamura
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium, manufacturing method there...
Publication number
20070065955
Publication date
Mar 22, 2007
Kabushiki Kaisha Toshiba
Tomoyuki Maeda
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium and magnetic recording/repr...
Publication number
20070042227
Publication date
Feb 22, 2007
Takeshi Iwasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium, method for producing thereof, and magnet...
Publication number
20060204791
Publication date
Sep 14, 2006
Akira Sakawaki
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium, method for manufacturing t...
Publication number
20040229083
Publication date
Nov 18, 2004
Kabushiki Kaisha Toshiba
Tomoyuki Maeda
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium and magnetic recording/reproducing apparatus
Publication number
20040224185
Publication date
Nov 11, 2004
Kabushiki Kaisha Toshiba
Futoshi Nakamura
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium and magnetic recording/reproducing apparatus
Publication number
20040224184
Publication date
Nov 11, 2004
Kabushiki Kaisha Toshiba
Takashi Hikosaka
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium and magnetic recording/repr...
Publication number
20040191466
Publication date
Sep 30, 2004
Kabushiki Kaisha Toshiba
Takeshi Iwasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium and magnetic recording/repr...
Publication number
20040137277
Publication date
Jul 15, 2004
Kabushiki Kaisha Toshiba
Takeshi Iwasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium, manufacturing method there...
Publication number
20040106010
Publication date
Jun 3, 2004
Kabushiki Kaisha Toshiba
Takeshi Iwasaki
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium and magnetic recording appa...
Publication number
20040058197
Publication date
Mar 25, 2004
KABUSHIKI KAISHA TOSHIBA
Futoshi Nakamura
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium, method of manufacturing the same, and ma...
Publication number
20040023073
Publication date
Feb 5, 2004
Showa Denko K.K.
Kenji Shimizu
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium and magnetic recording appa...
Publication number
20040001975
Publication date
Jan 1, 2004
Kabushiki Kaisha Toshiba
Takashi Hikosaka
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium, method of manufacture therefor, and magn...
Publication number
20030104250
Publication date
Jun 5, 2003
SHOWA DENKO K.K. and TOSHIBA CORPORATION
Kenji Shimizu
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium and magnetic recording/repr...
Publication number
20030099869
Publication date
May 29, 2003
Soichi Oikawa
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium and magnetic
Publication number
20030096127
Publication date
May 22, 2003
Takashi Hikosaka
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium, method of manufacturing therefor and mag...
Publication number
20030017370
Publication date
Jan 23, 2003
Showa Denko K.K.
Kanji Shimizu
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium and a magnetic reproducing...
Publication number
20020177012
Publication date
Nov 28, 2002
Kabushiki Kaisha Toshiba
Takashi Hikosaka
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium and magnetic recording-repr...
Publication number
20020136930
Publication date
Sep 26, 2002
Soichi Oikawa
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium, method of producing the same and magneti...
Publication number
20020127433
Publication date
Sep 12, 2002
Showa Denko K.K.
Kenji Shimizu
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium
Publication number
20020058160
Publication date
May 16, 2002
Soichi Oikawa
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording medium and magnetic recording appa...
Publication number
20020028355
Publication date
Mar 7, 2002
Futoshi Nakamura
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium
Publication number
20010033449
Publication date
Oct 25, 2001
Takashi Hikosaka
G11 - INFORMATION STORAGE