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Kimiaki Ohtawa

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  • Hiroshima, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Container
    • Patent number 4,470,743
    • Issue date Sep 11, 1984
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Kimiaki Ohtawa
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    High-temperature reduced iron production
    • Patent number 4,412,674
    • Issue date Nov 1, 1983
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Kimiaki Ohtawa
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Briquetting machine
    • Patent number 4,411,611
    • Issue date Oct 25, 1983
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Kimiaki Ohtawa
    • B30 - PRESSES
  • Information Patent Grant

    Hot-briquetting apparatus for reduced iron
    • Patent number 4,398,876
    • Issue date Aug 16, 1983
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Kimiaki Ohtawa
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Process for producing reduced iron
    • Patent number 4,376,648
    • Issue date Mar 15, 1983
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Kimiaki Ohtawa
    • C21 - METALLURGY OF IRON