Yoshio Soyama

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic disk drive with compensation against disturbance
- Patent number 7,580,221
- Issue date Aug 25, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Masahiko Sega
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo sector in magnetic disk drive
- Patent number 7,319,567
- Issue date Jan 15, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Kiyotada Itou
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk apparatus with dual stage actuator
- Patent number 7,173,790
- Issue date Feb 6, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Masahito Kobayashi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Servo sector in magnetic disk drive
- Publication number 20060039076
- Publication date Feb 23, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Kiyotada Itou
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk apparatus with dual stage actuator
- Publication number 20060039079
- Publication date Feb 23, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Masahito Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk drive with compensation against disturbance
- Publication number 20050231850
- Publication date Oct 20, 2005
- Hitachi Global Storage Technologies Netherlands B.V.
- Masahiko Sega
- G11 - INFORMATION STORAGE