Sunao Yonekawa

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Odawara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic head slider and magnet disk apparatus
- Patent number 7,095,587
- Issue date Aug 22, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Masayuki Kurita
- 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
Recording/reproducing separated magnetic head with concave portion...
- Patent number 6,992,860
- Issue date Jan 31, 2006
- Hitachi, Ltd.
- Eiji Nakanishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing a magnetic head slider
- Patent number 6,329,023
- Issue date Dec 11, 2001
- Hitachi, Ltd.
- Hiromitsu Tokisue
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic hard disk drive and process for producing the same
- Patent number 6,249,403
- Issue date Jun 19, 2001
- Hitachi, Ltd.
- Hiromitsu Tokisue
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Magnetic head slider and magnet disk apparatus
- Publication number 20050024775
- Publication date Feb 3, 2005
- Masayuki Kurita
- 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
Recording/reproducing separated magnetic head
- Publication number 20040037012
- Publication date Feb 26, 2004
- Eiji Nakanishi
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic hard disk drive and process for producing the same
- Publication number 20010018094
- Publication date Aug 30, 2001
- Hiromitsu Tokisue
- G11 - INFORMATION STORAGE