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Kei Kasamatsu

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  • Nagoya-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fin-tube type of heat exchanger
    • Patent number 10,295,281
    • Issue date May 21, 2019
    • Rinnai Corporation
    • Kei Kasamatsu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Heat Exchanger
    • Publication number 20240328725
    • Publication date Oct 3, 2024
    • Rinnai Corporation
    • Kei Kasamatsu
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    FIN-TUBE TYPE OF HEAT EXCHANGER
    • Publication number 20180306529
    • Publication date Oct 25, 2018
    • Rinnai Corporation
    • Kei Kasamatsu
    • F28 - HEAT EXCHANGE IN GENERAL