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Yoshio Yahata
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Yokohama, JP
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last 30 patents
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Patent Grant
Magnesium aluminometasilicate coated composite powder and use thereof
Patent number
5,182,103
Issue date
Jan 26, 1993
Shiseido Company, Ltd.
Toshihiko Nakane
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Composite powder and production process
Patent number
5,122,418
Issue date
Jun 16, 1992
Shiseido Company Ltd.
Toshihiko Nakane
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE