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Hiroshi Matsunaga

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  • Kusatsu-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hermetic rotary compressor
    • Patent number 7,438,541
    • Issue date Oct 21, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Toru Aya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hermetic rotary compressor and refrigerating cycle device using the...
    • Patent number 7,399,170
    • Issue date Jul 15, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Toru Aya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hermetic motor-driven compressor
    • Patent number 6,680,550
    • Issue date Jan 20, 2004
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroshi Matsunaga
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotary compressor having a protective coating which is finish ground
    • Patent number 5,951,273
    • Issue date Sep 14, 1999
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroshi Matsunaga
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hermetic type compressor having an oil feed part
    • Patent number 5,842,846
    • Issue date Dec 1, 1998
    • Matsushita Electric Industrial Co., Ltd.
    • Hirotsugu Fukuoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor for a refrigeration machine having a thrust bearing
    • Patent number 5,695,326
    • Issue date Dec 9, 1997
    • Matsushita Electric Industrial Co., Ltd.
    • Hideto Oka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hermetically sealed rotary compressor having an oil supply passage...
    • Patent number 5,685,703
    • Issue date Nov 11, 1997
    • Matsushita Electric Industrial Co., Ltd.
    • Hirotsugu Fukuoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Closed compressor
    • Patent number 5,607,291
    • Issue date Mar 4, 1997
    • Matsushita Electric Industrial Co., Ltd.
    • Keisuke Morita
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hermetically sealed rotary compressor having an oil supply capillar...
    • Patent number 5,545,021
    • Issue date Aug 13, 1996
    • Matsushita Electric Industrial Co., Ltd.
    • Hirotsugu Fukuoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Closed rotary compressor
    • Patent number 5,518,381
    • Issue date May 21, 1996
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroshi Matsunaga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    HERMETIC ROTARY COMPRESSOR
    • Publication number 20080145256
    • Publication date Jun 19, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Toru Aya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hermetic rotary compressor and refrigerating cycle device using the...
    • Publication number 20060225456
    • Publication date Oct 12, 2006
    • Toru Aya
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Hermetic rotary compressor
    • Publication number 20060216185
    • Publication date Sep 28, 2006
    • Toru Aya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hermetic motor-driven compressor
    • Publication number 20020109420
    • Publication date Aug 15, 2002
    • Hiroshi Matsunaga
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER