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Hiromichi Koshiishi
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Kitakyushu, JP
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last 30 patents
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Patent Grant
Method for annealing a core blank used in electric machinery and de...
Patent number
4,602,969
Issue date
Jul 29, 1986
Nippon Steel Corporation
Hiromichi Koshiishi
C21 - METALLURGY OF IRON
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Patent Grant
Finish annealing process for grain-oriented electrical steel strip...
Patent number
4,324,598
Issue date
Apr 13, 1982
Nippon Steel Corporation
Tetsuo Kimoto
C21 - METALLURGY OF IRON
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Patent Grant
Process for box annealing a steel strip coil
Patent number
4,290,829
Issue date
Sep 22, 1981
Nippon Steel Corporation
Hiromichi Koshiishi
C21 - METALLURGY OF IRON