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Toshiyuki Sato
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Tsukuba, JP
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last 30 patents
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Patent Grant
Magnetic recording medium and a method of manufacturing the same
Patent number
6,365,012
Issue date
Apr 2, 2002
Nippon Sheet Glass Co., Ltd.
Toshiyuki Sato
G11 - INFORMATION STORAGE
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Patent Grant
Substrate used for magnetic disk and magnetic recording medium usin...
Patent number
5,427,867
Issue date
Jun 27, 1995
Nippon Sheet Glass Co., Ltd.
Toshihiro Kogure
G11 - INFORMATION STORAGE