Tadayuki Iwakura

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Perpendicular magnetic write head having a controlled magnetization...
- Patent number 9,230,566
- Issue date Jan 5, 2016
- HGST Netherlands B.V.
- Tadayuki Iwakura
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording head having a non-magnetic film re...
- Patent number 8,542,462
- Issue date Sep 24, 2013
- HGST Netherlands B.V.
- Yohji Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having write pole, first soft magnetic films separate...
- Patent number 8,300,358
- Issue date Oct 30, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Yohji Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular recording magnetic head
- Patent number 8,054,580
- Issue date Nov 8, 2011
- Hitachi Gloabl Storage Technologies Netherlands B.V.
- Wataru Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for perpendicular recording having pole pieces provid...
- Patent number 8,000,058
- Issue date Aug 16, 2011
- Hitachi Global Storage Technologies Netherlands B.V.
- Tadayuki Iwakura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic write head including a magnetic pole piece having a protru...
- Patent number 7,576,952
- Issue date Aug 18, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoji Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Main pole structure coupled with trailing gap for perpendicular rec...
- Patent number 7,551,395
- Issue date Jun 23, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoji Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having first and second protective films with differe...
- Patent number 7,460,335
- Issue date Dec 2, 2008
- Hitachi Global Technologies Japan, Ltd.
- Yohji Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head and magnetic disk apparatus including the same
- Patent number 7,382,576
- Issue date Jun 3, 2008
- Hitachi Global Storage Technologies Japan, Ltd.
- Tomohiro Okada
- G11 - INFORMATION STORAGE
Information Patent Grant
Separate read/write magnetic head
- Patent number 7,262,940
- Issue date Aug 28, 2007
- Hitachi Global Storage Technologies Japan, Ltd.
- Tadayuki Iwakura
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head and magnetic disk apparatus including the same
- Patent number 7,068,467
- Issue date Jun 27, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Tomohiro Okada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for reducing projection of retrieving and writing uni...
- Patent number 7,064,925
- Issue date Jun 20, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Yohji Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head
- Patent number 7,061,726
- Issue date Jun 13, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Shigekazu Ohtomo
- G11 - INFORMATION STORAGE
Information Patent Grant
Manufacturing method of a thin film magnetic head
- Patent number 6,877,212
- Issue date Apr 12, 2005
- Hitachi Global Storage Technologies Japan, Ltd.
- Tomohiro Okada
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head and magnetic disk apparatus including the same
- Patent number 6,483,663
- Issue date Nov 19, 2002
- Hitachi, Ltd.
- Tomohiro Okada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disc unit having a plurality of magnetic heads which inclu...
- Patent number 5,590,008
- Issue date Dec 31, 1996
- Hitachi, Ltd.
- Masanori Tanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of fabricating thin-film magnetic head
- Patent number 5,349,745
- Issue date Sep 27, 1994
- Hitachi, Ltd.
- Takashi Kawabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disc apparatus with thin film head suitable for high-densi...
- Patent number 5,296,979
- Issue date Mar 22, 1994
- Hitachi, Ltd.
- Takashi Kawabe
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
PERPENDICULAR MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING DEVICE...
- Publication number 20110002063
- Publication date Jan 6, 2011
- Yohji Maruyama
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD FOR PERPENDICULAR RECORDING AND MAGNETIC RECORDING AP...
- Publication number 20090290257
- Publication date Nov 26, 2009
- Wataru Kimura
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular recording magnetic head
- Publication number 20080231994
- Publication date Sep 25, 2008
- Wataru Kimura
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head and method of manufacturing the same
- Publication number 20080198507
- Publication date Aug 21, 2008
- Yoji Maruyama
- G11 - INFORMATION STORAGE
Information Patent Application
Main pole structure coupled with trailing gap for perpendicular rec...
- Publication number 20070019327
- Publication date Jan 25, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Yoji Maruyama
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head and magnetic recording/retrieving apparatus using the...
- Publication number 20060198056
- Publication date Sep 7, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Yohji Maruyama
- G11 - INFORMATION STORAGE
Information Patent Application
Thin film magnetic head and magnetic disk apparatus including the same
- Publication number 20060198051
- Publication date Sep 7, 2006
- Tomohiro Okada
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head for perpendicular recording
- Publication number 20060087765
- Publication date Apr 27, 2006
- Hitachi Global Storage Technologies
- Tadayuki Iwakura
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic write head
- Publication number 20050122622
- Publication date Jun 9, 2005
- Hitachi Global Storage Technologies Netherlands, B.V.
- Yoji Maruyama
- G11 - INFORMATION STORAGE
Information Patent Application
Thin film magnetic head and magnetic disk apparatus including the same
- Publication number 20050024767
- Publication date Feb 3, 2005
- Tomohiro Okada
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head whose composite magnetic core is recessed from air be...
- Publication number 20040246621
- Publication date Dec 9, 2004
- Hitachi Global Storage Technologies Japan, Ltd.
- Youji Maruyama
- G11 - INFORMATION STORAGE
Information Patent Application
Separate read/write magnetic head
- Publication number 20040228041
- Publication date Nov 18, 2004
- Hitachi, Ltd
- Tadayuki Iwakura
- G11 - INFORMATION STORAGE
Information Patent Application
Thin film magnetic head
- Publication number 20040223265
- Publication date Nov 11, 2004
- Hitachi Global Storage Technologies Japan, Ltd.
- Shigekazu Ohtomo
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head and magnetic recording/retrieving apparatus using the...
- Publication number 20040109262
- Publication date Jun 10, 2004
- HITACHI GLOBAL STORAGE TECHNOLOGIES
- Yohji Maruyama
- G11 - INFORMATION STORAGE
Information Patent Application
Thin film magnetic heads and a method of producing the same
- Publication number 20020071210
- Publication date Jun 13, 2002
- Hitachi, Ltd.
- Takashi Kawabe
- G11 - INFORMATION STORAGE
Information Patent Application
Thin film magnetic heads and a method of producing the same
- Publication number 20020060880
- Publication date May 23, 2002
- Hitachi, Ltd.
- Takashi Kawabe
- G11 - INFORMATION STORAGE
Information Patent Application
THIN FILM MAGNETIC HEAD AND MAGNETIC DISK APPARATUS INCLUDING THE SAME
- Publication number 20020041463
- Publication date Apr 11, 2002
- TOMOHIRO OKADA
- G11 - INFORMATION STORAGE
Information Patent Application
Thin film magnetic head and magnetic disk apparatus including the same
- Publication number 20020013996
- Publication date Feb 7, 2002
- Hitachi, Ltd
- Tomohiro Okada
- G11 - INFORMATION STORAGE

Tadayuki Iwakura

Person

Patents Grantslast 30 patents

Perpendicular magnetic write head having a controlled magnetization...

Perpendicular magnetic recording head having a non-magnetic film re...

Magnetic head having write pole, first soft magnetic films separate...

Perpendicular recording magnetic head

Magnetic head for perpendicular recording having pole pieces provid...

Magnetic write head including a magnetic pole piece having a protru...

Main pole structure coupled with trailing gap for perpendicular rec...

Magnetic head having first and second protective films with differe...

Thin film magnetic head and magnetic disk apparatus including the same

Separate read/write magnetic head

Thin film magnetic head and magnetic disk apparatus including the same

Magnetic head for reducing projection of retrieving and writing uni...

Thin film magnetic head

Manufacturing method of a thin film magnetic head

Thin film magnetic head and magnetic disk apparatus including the same

Magnetic disc unit having a plurality of magnetic heads which inclu...

Method of fabricating thin-film magnetic head

Magnetic disc apparatus with thin film head suitable for high-densi...

Patents Applicationslast 30 patents

PERPENDICULAR MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING DEVICE...

MAGNETIC HEAD FOR PERPENDICULAR RECORDING AND MAGNETIC RECORDING AP...

Perpendicular recording magnetic head

Magnetic head and method of manufacturing the same

Main pole structure coupled with trailing gap for perpendicular rec...

Magnetic head and magnetic recording/retrieving apparatus using the...

Thin film magnetic head and magnetic disk apparatus including the same

Magnetic head for perpendicular recording

Magnetic write head

Thin film magnetic head and magnetic disk apparatus including the same

Magnetic head whose composite magnetic core is recessed from air be...

Separate read/write magnetic head

Thin film magnetic head

Magnetic head and magnetic recording/retrieving apparatus using the...

Thin film magnetic heads and a method of producing the same

Thin film magnetic heads and a method of producing the same

THIN FILM MAGNETIC HEAD AND MAGNETIC DISK APPARATUS INCLUDING THE SAME

Thin film magnetic head and magnetic disk apparatus including the same