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Akichika Ozeki
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Tokyo, JP
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last 30 patents
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Patent Grant
Molten metal pouring nozzle for continuous casting machine having e...
Patent number
4,949,776
Issue date
Aug 21, 1990
NKK Corporation
Hideto Takasugi
B22 - CASTING POWDER METALLURGY
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Patent Grant
Powder manufacturing apparatus and method therefor
Patent number
4,886,547
Issue date
Dec 12, 1989
Nippon Kokan Kabushiki Kaisha
Hideaki Mizukami
B22 - CASTING POWDER METALLURGY
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Patent Grant
Apparatus for pouring molten metal
Patent number
4,821,790
Issue date
Apr 18, 1989
Ishikawajima-Harima Jukogyo Kabushiki Kaisha
Yutaka Tsuchida
B22 - CASTING POWDER METALLURGY