Atsushi Okuyama

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Ibaraki-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
System for controlling host access to a storage device based on phy...
- Patent number 7,073,037
- Issue date Jul 4, 2006
- Hitachi Global Storage Technologies Japan, Ltd.
- Atsushi Okuyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Positioning control device for two-stage actuator
- Patent number 6,898,039
- Issue date May 24, 2005
- Hitachi, Ltd.
- Masahito Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Actuator control device
- Patent number 6,785,204
- Issue date Aug 31, 2004
- Hitachi, Ltd.
- Atsushi Okuyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device including coarse and micro actuators
- Patent number 6,707,633
- Issue date Mar 16, 2004
- Hitachi, Ltd.
- Atsushi Okuyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk apparatus and information processing system discriminative plu...
- Patent number 6,687,072
- Issue date Feb 3, 2004
- Hitachi, Ltd.
- Atsushi Okuyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Positioning device for optical disc apparatus
- Patent number 5,633,846
- Issue date May 27, 1997
- Hitachi, Ltd.
- Atsushi Okuyama
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Information recording/reproducing system
- Publication number 20040030650
- Publication date Feb 12, 2004
- Atsushi Okuyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Positioning control device for two-stage actuator
- Publication number 20040004781
- Publication date Jan 8, 2004
- Masahito Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Application
Disk apparatus and information processing system
- Publication number 20020126408
- Publication date Sep 12, 2002
- Atsushi Okuyama
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk device
- Publication number 20010005295
- Publication date Jun 28, 2001
- Atsushi Okuyama
- G11 - INFORMATION STORAGE