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Mutsuo Hasegawa
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Uozu, JP
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last 30 patents
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Patent Grant
Method of improving the corrosion resistance of an anodically oxidi...
Patent number
4,225,398
Issue date
Sep 30, 1980
Yoshida Kogyo K.K.
Mutsuo Hasegawa
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Patent Grant
Process of coating aluminum materials molded by extrusion with poly...
Patent number
4,115,607
Issue date
Sep 19, 1978
Yoshida Kogyo K.K.
Mutsuo Hasegawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...