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Masanobu Tanaka
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Miyagi-ken, JP
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Patents Grants
last 30 patents
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Patent Grant
Tape speed sensor, control circuit using tape speed sensor and meth...
Patent number
6,222,690
Issue date
Apr 24, 2001
Alps Electric Co., Ltd.
Masanobu Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical encoder having optical conductor at the outer circumference...
Patent number
6,127,677
Issue date
Oct 3, 2000
Alps Electric Co., Ltd.
Masanobu Tanaka
G01 - MEASURING TESTING
Information
Patent Grant
Compact switching means for driving a recording medium
Patent number
5,978,340
Issue date
Nov 2, 1999
Alps Electric Co., Ltd.
Masanobu Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Driving device for a recording medium
Patent number
5,963,534
Issue date
Oct 5, 1999
Alps Electric Co., Ltd.
Masanobu Tanaka
G11 - INFORMATION STORAGE