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Masahiro Nasu
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Fukushima-ken, JP
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Patents Grants
last 30 patents
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Patent Grant
Disk device having access to disk in different writing modes
Patent number
6,560,051
Issue date
May 6, 2003
Alps Electric Co., Ltd.
Masahiro Nasu
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording/reproduction system
Patent number
6,223,321
Issue date
Apr 24, 2001
Alps Electric Co., Ltd.
Masahiro Nasu
G11 - INFORMATION STORAGE
Information
Patent Grant
Changeover writing circuit for magnetic disk apparatus operable at...
Patent number
4,882,639
Issue date
Nov 21, 1989
Alps Electric Co., Ltd.
Masahiro Nasu
G11 - INFORMATION STORAGE
Information
Patent Grant
Read/write magnetic disk apparatus operable in plural density modes
Patent number
4,805,047
Issue date
Feb 14, 1989
Alps Electric Co., Ltd.
Masahiro Nasu
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Transmission system for transmitting data from a plurality of perip...
Publication number
20030137984
Publication date
Jul 24, 2003
Alps Electric Co., Ltd.
Masahiro Nasu
G06 - COMPUTING CALCULATING COUNTING