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Yasuhiro Makino
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Bizen, JP
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last 30 patents
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Patent Grant
Good aesthetic artificial dental materials by calcium phosphate gla...
Patent number
4,626,514
Issue date
Dec 2, 1986
Kyushu Refractories Co., Ltd.
Akira Watanabe
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Catalyst for reduction of nitrogen oxides and method for manufactur...
Patent number
4,160,744
Issue date
Jul 10, 1979
Kyushu Refractories Co., Ltd.
Akira Watanabe
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL