Youichi Kusagaya

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Mishima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Servo pattern writing method and apparatus thereof
- Patent number 6,947,244
- Issue date Sep 20, 2005
- Hitachi Global Storage Technologies Japan, Ltd.
- Hiroshi Kawaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk drive for compensating repeatable runout error
- Patent number 6,898,047
- Issue date May 24, 2005
- Hitachi Global Storage Technologies Japan, Ltd.
- Kazuhisa Shishida
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Magnetic disk drive
- Publication number 20050201003
- Publication date Sep 15, 2005
- Hitachi Global Storage Technologies Japan, Ltd.
- Kazuhisa Shishida
- G11 - INFORMATION STORAGE
Information Patent Application
Servo pattern writing method and apparatus thereof
- Publication number 20030142436
- Publication date Jul 31, 2003
- Hitachi, Ltd
- Hiroshi Kawaguchi
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk drive
- Publication number 20030002200
- Publication date Jan 2, 2003
- Kazuhisa Shishida
- G11 - INFORMATION STORAGE