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Kiyoshi Kumagai
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Yokohama, JP
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last 30 patents
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Patent Grant
Fe-Ni-Cu-Cr Layered bimetal
Patent number
4,309,489
Issue date
Jan 5, 1982
Tokyo Shibaura Denki Kabushiki Kaisha
Kenichiro Momose
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Patent Grant
Corrosion resistant magnetic alloy
Patent number
4,131,494
Issue date
Dec 26, 1978
Tokyo Shibaura Electric Co., Ltd.
Kenichiro Momose
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...