Ichiro Ohdake

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Perpendicular magnetic head with side shield depth less than write...
- Patent number 8,437,102
- Issue date May 7, 2013
- HGST Netherlands B.V.
- Yoji Maruyama
- 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
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 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

Patents Applicationslast 30 patents

Information Patent Application
Perpendicular head with the shield which approaches through the con...
- Publication number 20070146929
- Publication date Jun 28, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- 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
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 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