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Hideki Zaitsu
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Odawara-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Self-controlled laser pulsing for thermally assisted recording
Patent number
9,025,420
Issue date
May 5, 2015
HGST Netherlands B.V.
Naoto Ito
G11 - INFORMATION STORAGE
Information
Patent Grant
Dynamic track pitch control for shingled magnetic recording (SMR)
Patent number
8,797,672
Issue date
Aug 5, 2014
HGST Netherlands B.V.
Hiroyasu Tanabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Energy-assisted magnetic-recording head having a magnetic-recording...
Patent number
8,248,893
Issue date
Aug 21, 2012
Hitachi Global Storage Tecnologies, Netherlands B.V.
Masafumi Mochizuki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording/reproducing using a patterned medium
Patent number
8,169,729
Issue date
May 1, 2012
Hitachi Global Storage Technologies Netherlands B.V.
Hideki Zaitsu
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetic read/write device preventing malfunction due to reversal i...
Patent number
8,027,113
Issue date
Sep 27, 2011
Hitachi Global Storage Technologies, Netherlands, B.V.
Hideki Zaitsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording device and magnetic recording method thereof
Patent number
8,018,672
Issue date
Sep 13, 2011
Hitachi Global Storage Technologies Netherlands B.V.
Hideaki Maeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk drive having assisted recording and methods of record...
Patent number
7,969,678
Issue date
Jun 28, 2011
Hitachi Global Storage Technologies Netherlands B.V.
Hiroyasu Tanabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording apparatus with correlated main magnetic pole-to-...
Patent number
7,920,359
Issue date
Apr 5, 2011
Hitachi Global Storage Technologies Netherlands B.V.
Yohji Maruyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording head for high frequency drive
Patent number
7,646,564
Issue date
Jan 12, 2010
Hitachi Global Storage Technologies Netherlands B.V.
Yoji Maruyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk drive with control of sense current of magnetic head
Patent number
7,636,212
Issue date
Dec 22, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Akira Morinaga
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head and magnetic disc drive
Patent number
7,508,619
Issue date
Mar 24, 2009
Hitachi Global Storage Technologies Netherlands B.V.
Hisao Okamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic read/write apparatus having a write inhibit slice setting...
Patent number
7,245,447
Issue date
Jul 17, 2007
Hitachi Global Storage Technologies Japan, Ltd.
Hideki Zaitsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording apparatus and method of writing data at low temp...
Patent number
7,031,091
Issue date
Apr 18, 2006
Hitachi, Ltd.
Takayuki Ichihara
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording/reproducing device
Patent number
6,909,566
Issue date
Jun 21, 2005
Hitachi Global Storage Technologies Japan, Ltd.
Hideki Zaitsu
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording disk drive
Patent number
6,879,460
Issue date
Apr 12, 2005
Hitachi Global Storage Technologies Japan, Ltd.
Futoshi Tomiyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk drive
Patent number
6,760,172
Issue date
Jul 6, 2004
Hitachi, Ltd.
Takehiko Hamaguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk drive
Patent number
6,717,760
Issue date
Apr 6, 2004
Hitachi Global Storage Technologies, Japan, Ltd.
Takehiko Hamaguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording disk drive
Patent number
6,657,804
Issue date
Dec 2, 2003
Hitachi, Ltd.
Futoshi Tomiyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
6,635,367
Issue date
Oct 21, 2003
Hitachi, Ltd.
Masukazu Igarashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and system for compensation of nonlinearity or fluctuation o...
Patent number
6,473,254
Issue date
Oct 29, 2002
Hitachi, Ltd.
Takehiko Hamaguchi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method and system for compensation of nonlinearity or fluctuation o...
Patent number
6,404,576
Issue date
Jun 11, 2002
Hitachi, Ltd.
Takehiko Hamaguchi
B82 - NANO-TECHNOLOGY
Patents Applications
last 30 patents
Information
Patent Application
SELF-CONTROLLED LASER PULSING FOR THERMALLY ASSISTED RECORDING
Publication number
20150138937
Publication date
May 21, 2015
HGST NETHERLANDS B.V.
Naoto Ito
G11 - INFORMATION STORAGE
Information
Patent Application
SHINGLED MAGNETIC RECORDING SYSTEM WITH ADAPTIVE WRITE BUFFER AREA
Publication number
20150109700
Publication date
Apr 23, 2015
HGST NETHERLANDS B.V.
Hidekazu KASHIWASE
G11 - INFORMATION STORAGE
Information
Patent Application
Dynamic Track Pitch Control for Shingled Magnetic Recording (SMR)
Publication number
20130335856
Publication date
Dec 19, 2013
Hiroyasu Tanabe
G11 - INFORMATION STORAGE
Information
Patent Application
HEAD-SLIDER INCLUDING A MAGNETIC-RECORDING ASSISTANCE ELEMENT, HEAD...
Publication number
20110096638
Publication date
Apr 28, 2011
Masafumi Mochizuki
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING/REPRODUCING USING A PATTERNED MEDIUM
Publication number
20100142077
Publication date
Jun 10, 2010
Hideki Zaitsu
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING DEVICE AND MAGNETIC RECORDING METHOD THEREOF
Publication number
20100128382
Publication date
May 27, 2010
Hideaki Maeda
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC DISK DRIVE HAVING ASSISTED RECORDING AND METHODS OF RECORD...
Publication number
20100128376
Publication date
May 27, 2010
Hiroyasu Tanabe
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording apparatus
Publication number
20080180861
Publication date
Jul 31, 2008
Yohji Maruyama
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic head and magnetic disc drive
Publication number
20080024900
Publication date
Jan 31, 2008
Hitachi Global Storage Technologies Netherlands B.V.
Hisao Okamoto
G11 - INFORMATION STORAGE
Information
Patent Application
Perpendicular magnetic recording head for high frequency drive
Publication number
20060203384
Publication date
Sep 14, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Yoji Maruyama
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic read/write device preventing malfunction due to reversal i...
Publication number
20060132951
Publication date
Jun 22, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Hideki Zaitsu
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic disk drive with control of sense current of magnetic head
Publication number
20060132963
Publication date
Jun 22, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Akira Morinaga
G11 - INFORMATION STORAGE
Information
Patent Application
System and method for ameliorating the effects of adjacent track er...
Publication number
20060066971
Publication date
Mar 30, 2006
Hitachi Global Storage Technologies Netherlands B.V.
Michael Alex
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic read/write apparatus
Publication number
20040190188
Publication date
Sep 30, 2004
Hitachi Global Storage Technologies Japan, Ltd.
Hideki Zaitsu
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording apparatus and method of writing data
Publication number
20040080848
Publication date
Apr 29, 2004
Takayuki Ichihara
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording disk drive
Publication number
20040075937
Publication date
Apr 22, 2004
Hitachi, Ltd.
Futoshi Tomiyama
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording medium
Publication number
20020132140
Publication date
Sep 19, 2002
Masukazu Igarashi
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic disk drive
Publication number
20020131188
Publication date
Sep 19, 2002
Hitachi, Ltd.
Takehiko Hamaguchi
B82 - NANO-TECHNOLOGY