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Kenzi Toudo

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Patents Grantslast 30 patents

  • Information Patent Grant

    Digital control circuit
    • Patent number 4,605,863
    • Issue date Aug 12, 1986
    • Hitachi, Ltd.
    • Kenzi Toudo
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Flame detecting apparatus
    • Patent number 4,527,125
    • Issue date Jul 2, 1985
    • Hitachi, Ltd.
    • Motoshi Miyanaka
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Digital control circuit
    • Patent number 4,522,337
    • Issue date Jun 11, 1985
    • Hitachi, Ltd.
    • Kenzi Toudo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Combustion controlling apparatus
    • Patent number 4,474,548
    • Issue date Oct 2, 1984
    • Hitachi, Ltd.
    • Motoshi Miyanaka
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Combustion control circuit
    • Patent number 4,455,656
    • Issue date Jun 19, 1984
    • Hitachi, Ltd.
    • Toshio Tanaka
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Combustion control apparatus
    • Patent number 4,445,841
    • Issue date May 1, 1984
    • Hitachi, Ltd.
    • Toshio Tanaka
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Igniting and flame detecting device
    • Patent number 4,404,616
    • Issue date Sep 13, 1983
    • Hitachi, Ltd.
    • Motoshi Miyanaka
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Combustion control apparatus
    • Patent number 4,389,184
    • Issue date Jun 21, 1983
    • Hitachi, Ltd.
    • Toshio Tanaka
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Combustion control apparatus
    • Patent number 4,370,126
    • Issue date Jan 25, 1983
    • Hitaci, Ltd.
    • Motoshi Miyanaka
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Electric corrosion preventing apparatus
    • Patent number 4,311,576
    • Issue date Jan 19, 1982
    • Hitachi, Ltd.
    • Kenzi Toudo
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...