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Masaru Sekine
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Kanagawa, JP
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last 30 patents
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Patent Grant
Apparatus for correcting curl of magnetic recording medium
Patent number
4,935,605
Issue date
Jun 19, 1990
Fuji Photo Film Co., Ltd.
Tadashi Yasunaga
G11 - INFORMATION STORAGE
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Patent Grant
Apparatus for manufacturing magnetic recording media
Patent number
4,546,725
Issue date
Oct 15, 1985
Fuji Photo Film Co., Ltd.
Ryuji Shirahata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Patent Grant
Magnetic recording medium manufacturing apparatus
Patent number
4,526,131
Issue date
Jul 2, 1985
Fuji Photo Film Co., Ltd.
Ryuji Shirahata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Patent Grant
Magnetic recording media
Patent number
4,474,832
Issue date
Oct 2, 1984
Fuji Photo Film Company Limited
Ryuji Shirahata
G11 - INFORMATION STORAGE