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Shotaro Ito

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Patents Grantslast 30 patents

  • Information Patent Grant

    Silencer and air conditioner
    • Patent number 6,148,631
    • Issue date Nov 21, 2000
    • Matsushita Electric Industrial Co., Ltd.
    • Masahito Watanabe
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Motor compressor with lubricant separation
    • Patent number 5,391,066
    • Issue date Feb 21, 1995
    • Matsushita Electric Industrial Co., Ltd.
    • Kiyoshi Sawai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Blower with improved impeller vanes
    • Patent number 5,257,902
    • Issue date Nov 2, 1993
    • Matsushita Electric Industrial Co., Ltd.
    • Masahiro Atarashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Impeller of multiblade blower
    • Patent number 5,064,346
    • Issue date Nov 12, 1991
    • Matsushita Electric Industrial Co., Ltd.
    • Masahiro Atarashi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Airfoil blade for impeller fan and manufacturing method thereof
    • Patent number 4,971,521
    • Issue date Nov 20, 1990
    • Matsushita Electric Industrial Co., Ltd.
    • Masahiro Atarashi
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Heat exchanger
    • Patent number 4,907,646
    • Issue date Mar 13, 1990
    • Matsushita Electric Industrial Co., Ltd.
    • Osamu Aoyagi
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Automobile air conditioner
    • Patent number 4,898,003
    • Issue date Feb 6, 1990
    • Matsushita Electric Industrial Co., Ltd.
    • Toru Ichikawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Impeller for cross-flow fan
    • Patent number 4,538,963
    • Issue date Sep 3, 1985
    • Matsushita Electric Industrial Co., Ltd.
    • Takashi Sugio
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...