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Kumiko Okada

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  • Aichi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hot water supply system
    • Patent number 9,970,682
    • Issue date May 15, 2018
    • Rinnai Corporation
    • Kumiko Okada
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

  • Information Patent Application

    HOT WATER SUPPLY SYSTEM
    • Publication number 20160178240
    • Publication date Jun 23, 2016
    • RINNAI CORPORATION
    • Kumiko Okada
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Combustion Control System
    • Publication number 20140350729
    • Publication date Nov 27, 2014
    • Rinnai Corporation
    • Kumiko Okada
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES