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Electric arc melting furnace
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Patent number 5,680,413
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Issue date Oct 21, 1997
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Ishikawajima-Harima Jukogyo Kabushiki Kaisha
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Masaki Ogushi
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C21 - METALLURGY OF IRON
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Electric arc melting furnace
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Patent number 5,590,150
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Issue date Dec 31, 1996
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Ishikawajima-Harima Jukogyo Kabushiki Kaisha
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Masaki Ogushi
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C21 - METALLURGY OF IRON
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Metal heating furnace
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Patent number 4,469,314
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Issue date Sep 4, 1984
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Ishikawajima-Harima Jukogyo Kabushiki Kaisha
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Osamu Takeuchi
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C21 - METALLURGY OF IRON
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Fluidized-bed combustion system
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Patent number 4,460,330
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Issue date Jul 17, 1984
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Ishikawajima-Harima Jukogyo Kabushiki Kaisha
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Minoru Asai
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F27 - FURNACES KILNS OVENS RETORTS
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Metal heating furnace
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Patent number 4,388,068
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Issue date Jun 14, 1983
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Ishikawajima-Harima Jukogyo Kabushiki Kaisha
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Osamu Takeuchi
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F27 - FURNACES KILNS OVENS RETORTS
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