TREA

Ryoji TERAI

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  • Chiyoda-ku, JP
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Patents Applicationslast 30 patents

  • Information Patent Application

    BLOWER AND VENTILATION SYSTEM
    • Publication number 20210071405
    • Publication date Mar 11, 2021
    • TOKYO METROPOLITAN SEWERAGE SERVICE CORPORATION
    • Yukitoshi IWASA
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    BLOWER AND VENTILATING SYSTEM
    • Publication number 20180087261
    • Publication date Mar 29, 2018
    • TOKYO METROPOLITAN SEWERAGE SERVICE CORPORATION
    • Yukitoshi IWASA
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    BLOWER AND VENTILATION SYSTEM
    • Publication number 20140227954
    • Publication date Aug 14, 2014
    • TOKYO METROPOLITAN SEWERAGE SERVICE CORPORATION
    • Keiichi SONE
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...