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Takehiko Nakagawa
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Kawasaki, JP
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Patents Grants
last 30 patents
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Patent Grant
Magnetic recording medium and process for producing the same
Patent number
4,232,061
Issue date
Nov 4, 1980
Fujitsu Limited
Seizi Hattori
G11 - INFORMATION STORAGE
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Patent Grant
Magnetic recording medium and process for producing the same
Patent number
4,215,158
Issue date
Jul 29, 1980
Fujitsu Limited
Seizi Hattori
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Process for producing a magnetic recording medium
Patent number
4,156,037
Issue date
May 22, 1979
Fujitsu Limited
Seizi Hattori
G11 - INFORMATION STORAGE