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Otake, JP
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last 30 patents
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Patent Grant
Acicular magnetic iron based alloy particles for magnetic recording...
Patent number
5,238,483
Issue date
Aug 24, 1993
Toda Kogyo Corporation
Akio Mishima
G11 - INFORMATION STORAGE
Information
Patent Grant
Acicular magnetic iron based alloy particles for magnetic recording...
Patent number
5,156,922
Issue date
Oct 20, 1992
Toda Kogyo Corporation
Akio Mishima
G11 - INFORMATION STORAGE