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Keiji Nakanishi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Silencer attenuating a noise from a noise source to be ventilated a...
    • Patent number 5,253,486
    • Issue date Oct 19, 1993
    • Masanori Sugahara
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Low noise refrigerator and noise control method thereof
    • Patent number 5,127,235
    • Issue date Jul 7, 1992
    • Kabushiki Kaisha Toshiba
    • Keiji Nakanishi
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerating apparatus having noise attenuation
    • Patent number 5,125,241
    • Issue date Jun 30, 1992
    • Kabushiki Kaisha Toshiba
    • Keiji Nakanishi
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Method of construction of top slab for a nuclear containment building
    • Patent number 5,119,598
    • Issue date Jun 9, 1992
    • Hitachi Ltd.
    • Akinori Tajiri
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Low noise refrigerator and noise control method thereof
    • Patent number 5,117,642
    • Issue date Jun 2, 1992
    • Kabushiki Kaisha Toshiba
    • Keiji Nakanishi
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Silencer
    • Patent number 5,093,864
    • Issue date Mar 3, 1992
    • Kabushiki Kaisha Toshiba
    • Yasuyuki Sekiguchi
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Silencer
    • Patent number 5,052,041
    • Issue date Sep 24, 1991
    • Kabushiki Kaisha Toshiba
    • Keiji Nakanishi
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Silencer
    • Patent number 4,989,252
    • Issue date Jan 29, 1991
    • Kabushiki Kaisha Toshiba
    • Keiji Nakanishi
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...