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Masanori Kawamura

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Patents Grantslast 30 patents

  • Information Patent Grant

    Discharge-type ignition device for oil burner
    • Patent number 5,584,685
    • Issue date Dec 17, 1996
    • Toyotomi Co., Ltd.
    • Toshihiko Yamada
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Oil burner
    • Patent number 5,226,811
    • Issue date Jul 13, 1993
    • Toyotomi Co., Ltd.
    • Masanori Kawamura
    • F24 - HEATING RANGES VENTILATING