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Katsuyoshi Kumazawa

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  • Yamato, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Catalytic combustion apparatus and method
    • Patent number 5,421,719
    • Issue date Jun 6, 1995
    • Kabushiki Kaisha Toshiba
    • Kazuo Saito
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Space heater
    • Patent number 4,666,398
    • Issue date May 19, 1987
    • Kabushiki Kaisha Toshiba
    • Katsuyoshi Kumazawa
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Space heater
    • Patent number 4,626,197
    • Issue date Dec 2, 1986
    • Kabushiki Kaisha Toshiba
    • Katsuyoshi Kumazawa
    • F24 - HEATING RANGES VENTILATING