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Masahiro Utsumi
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Kanagawa, JP
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last 30 patents
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Patent Grant
Magnetic recording medium
Patent number
4,663,217
Issue date
May 5, 1987
Fuji Photo Film Co., Ltd.
Nobutaka Yamaguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording materials
Patent number
4,551,386
Issue date
Nov 5, 1985
Fuji Photo Film Co., Ltd.
Nobutaka Yamaguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of preparing a magnetic recording medium with a calendering...
Patent number
4,499,121
Issue date
Feb 12, 1985
Fuji Photo Film Co., Ltd.
Nobutaka Yamaguchi
G11 - INFORMATION STORAGE