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Kazuo Nakamura
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Kitakyushu, JP
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last 30 patents
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Patent Grant
Insulating coating compositions applied on electrical steel sheets
Patent number
4,288,492
Issue date
Sep 8, 1981
Nippon Steel Corporation
Yoshitaka Hiromae
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Annealing separator for grain oriented silicon steel strips
Patent number
4,287,006
Issue date
Sep 1, 1981
Nippon Steel Corporation
Yoshitaka Hiromae
C21 - METALLURGY OF IRON