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Ryota IGARASHI
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Okayama-shi, JP
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last 30 patents
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Patent Grant
Magnetic metal powder suitable for use in magnetic recording media...
Patent number
8,357,222
Issue date
Jan 22, 2013
Dowa Electronics Materials Co., Ltd.
Takayuki Yoshida
G11 - INFORMATION STORAGE
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Patent Grant
Magnetic metal powder suitable for use in magnetic recording media...
Patent number
7,854,807
Issue date
Dec 21, 2010
Dowa Electronics Materials Co., Ltd.
Takayuki Yoshida
G11 - INFORMATION STORAGE
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last 30 patents
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Patent Application
MAGNETIC METAL POWDER SUITABLE FOR USE IN MAGNETIC RECORDING MEDIA...
Publication number
20110061496
Publication date
Mar 17, 2011
DOWA ELECTRONICS MATERIALS CO., LTD.
Takayuki YOSHIDA
G11 - INFORMATION STORAGE
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Patent Application
Magnetic metal powder suitable for use in magnetic recording media...
Publication number
20070227302
Publication date
Oct 4, 2007
Takayuki Yoshida
G11 - INFORMATION STORAGE