TREA

Masahiko Nakajima

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat processing apparatus using liquified gas
    • Patent number 4,920,952
    • Issue date May 1, 1990
    • Masahiko Nakajima
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Liquid supply device
    • Patent number 4,861,560
    • Issue date Aug 29, 1989
    • Nakajima Doko Company Limited
    • Masahiko Nakajima
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Oxygen generating system
    • Patent number 4,792,435
    • Issue date Dec 20, 1988
    • Nakajima Dokosho Company Limited
    • Masahiko Nakajima
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Hot airstream generating device
    • Patent number 4,726,767
    • Issue date Feb 23, 1988
    • Nakajima Dokosho Company Limited
    • Masahiko Nakajima
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heat processing device using a liquefied gas
    • Patent number 4,688,551
    • Issue date Aug 25, 1987
    • Nakajima Dokosho Company Limited
    • Masahiko Nakajima
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Heating apparatus using liquefied gas
    • Patent number 4,648,380
    • Issue date Mar 10, 1987
    • Nakajima Ookosho Company Ltd.
    • Masahiko Nakajima
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Heating iron using liquefied gas
    • Patent number 4,641,632
    • Issue date Feb 10, 1987
    • Nakajima Dokosho Company Limited
    • Masahiko Nakajima
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Heat processing apparatus
    • Patent number 4,552,124
    • Issue date Nov 12, 1985
    • Nakajima Dokosho Co. Ltd.
    • Masahiko Nakajima
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of manufacturing soldering tips
    • Patent number 4,500,027
    • Issue date Feb 19, 1985
    • Nakajima Dokosho Company Limited
    • Masahiko Nakajima
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR