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Sadao Yoshinaga

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Burner device
    • Patent number 5,071,342
    • Issue date Dec 10, 1991
    • Prince Industrial Development Company, Ltd.
    • Sadao Yoshinaga
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Burner device
    • Patent number 4,938,686
    • Issue date Jul 3, 1990
    • Prince Industrial Development Co., Ltd.
    • Sadao Yoshinaga
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Burner Device
    • Patent number 4,804,324
    • Issue date Feb 14, 1989
    • Prince Industrial Development Co., Ltd.
    • Sadao Yoshinaga
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Burner device
    • Patent number 4,643,671
    • Issue date Feb 17, 1987
    • Prince Industrial Development Co., Ltd.
    • Sadao Yoshinaga
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Burner device
    • Patent number 4,597,732
    • Issue date Jul 1, 1986
    • Prince Industrial Development Co., Ltd.
    • Sadao Yoshinaga
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Gas cigarette lighter with solar cell
    • Patent number 4,288,209
    • Issue date Sep 8, 1981
    • Prince Industrial Development Co., Ltd.
    • Sadao Yoshinaga
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Lighter with a watch
    • Patent number 4,209,977
    • Issue date Jul 1, 1980
    • Prince Industrial Development Co., Ltd.
    • Sadao Yoshinaga
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES