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Toshikazu HASEGAWA

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  • Kounosu-shi, JP
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Patents Applicationslast 30 patents

  • Information Patent Application

    DUCT AND THE MANUFACTURING METHOD
    • Publication number 20110156387
    • Publication date Jun 30, 2011
    • SHINFUJI KUUCHOU CO., LTD.
    • Toshikazu HASEGAWA
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    DUCT AND THE MANUFACTURING METHOD
    • Publication number 20090200801
    • Publication date Aug 13, 2009
    • SHINFUJI KUUCHOU CO., LTD.
    • Toshikazu HASEGAWA
    • F24 - HEATING RANGES VENTILATING