Sunao Yonekawa

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic head slider and magnetic disk drive
- Patent number 7,859,794
- Issue date Dec 28, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Hiroshi Tani
- G11 - INFORMATION STORAGE
Information Patent Grant
Structure to prevent deformation of magnetic disk device housing
- Patent number 7,733,599
- Issue date Jun 8, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Hiroaki Shigenaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head slider having aperture to prevent fall forward and ma...
- Patent number 7,701,669
- Issue date Apr 20, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Kouichi Watanabe
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Magnetic head slider and magnetic disk drive
- Publication number 20080080094
- Publication date Apr 3, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Hiroshi Tani
- G11 - INFORMATION STORAGE
Information Patent Application
Structure to prevent deformation of magnetic disk device housing
- Publication number 20070047130
- Publication date Mar 1, 2007
- Hitachi Global Storage Technologies
- Hiroaki Shigenaga
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head slider to prevent fall forward and magnetic disk drive
- Publication number 20070030597
- Publication date Feb 8, 2007
- Hitachi Global Storage Techologies Netherlands B. V.
- Kouichi Watanabe
- G11 - INFORMATION STORAGE