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Kiyoshi Sawai

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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary compressor
    • Patent number 9,074,600
    • Issue date Jul 7, 2015
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Tsuyoshi Karino
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air pump
    • Patent number 7,942,648
    • Issue date May 17, 2011
    • Panasonic Corporation
    • Atsushi Sakuda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Scroll compressor having a fixed scroll part and an orbiting scroll...
    • Patent number 7,905,715
    • Issue date Mar 15, 2011
    • Panasonic Corporation
    • Akira Hiwata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oilless rotary vane pump having open ends of vane grooves being inc...
    • Patent number 7,632,084
    • Issue date Dec 15, 2009
    • Panasonic Corporation
    • Kiyoshi Sawai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with certain pressure ratio between discharge pre...
    • Patent number 7,614,859
    • Issue date Nov 10, 2009
    • Matsushita Electric Industrial Co., Ltd.
    • Kiyoshi Sawai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 7,458,789
    • Issue date Dec 2, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Akira Hiwata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air supply device
    • Patent number 7,296,982
    • Issue date Nov 20, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Atsushi Sakuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 7,244,114
    • Issue date Jul 17, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Akira Hiwata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor having a back pressure chamber comprising high an...
    • Patent number 6,935,852
    • Issue date Aug 30, 2005
    • Matsushita Electric Industrial Co., Ltd.
    • Noboru Iida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll air supply apparatus having a motor shaft and a mechanism shaft
    • Patent number 6,887,051
    • Issue date May 3, 2005
    • Matsushita Electric Industrial Co., Ltd.
    • Atsushi Sakuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor for carbon dioxide supplied with a lubricant
    • Patent number 6,827,563
    • Issue date Dec 7, 2004
    • Matusushita Electric Industrial Co., Ltd.
    • Akira Hiwata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hermetic type compressor
    • Patent number 6,527,523
    • Issue date Mar 4, 2003
    • Matsushita Electric Industrial Co., Ltd.
    • Noboru Iida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll gas compressor having asymmetric bypass holes
    • Patent number 6,273,691
    • Issue date Aug 14, 2001
    • Matsushita Electric Industrial Co., Ltd.
    • Takashi Morimoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Working fluid for refrigerating cycle equipment and the refrigerati...
    • Patent number 6,268,317
    • Issue date Jul 31, 2001
    • Matsushita Electric Industrial Co., Ltd.
    • Tetsuji Kawakami
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Hermetic compressor
    • Patent number 6,231,319
    • Issue date May 15, 2001
    • Matsushita Electric Industrial Co., Ltd.
    • Noboru Iida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hermetic compressor
    • Patent number 6,206,661
    • Issue date Mar 27, 2001
    • Matsushita Electric Industrial Co., Ltd.
    • Noboru Iida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 6,102,671
    • Issue date Aug 15, 2000
    • Matsushita Electric Industrial Co., Ltd.
    • Shuichi Yamamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hermetic compressor
    • Patent number 6,102,677
    • Issue date Aug 15, 2000
    • Matsushita Electric Industrial Co., Ltd.
    • Noboru Iida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Apparatus having refrigeration cycle
    • Patent number 6,082,132
    • Issue date Jul 4, 2000
    • Matsushita Electric Industrial Co., Ltd.
    • Hironao Numoto
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Scroll compressor having bypass valves
    • Patent number 5,855,475
    • Issue date Jan 5, 1999
    • Matsushita Electric Industrial Co., Ltd.
    • Katsuharu Fujio
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    Electrically driven compressor with a peripheral housing weld
    • Patent number RE33652
    • Issue date Jul 30, 1991
    • Matsushita Electric Industrial Co., Ltd.
    • Michio Yamamura
    • 418 - Rotary expansible chamber devices
  • Information Patent Grant

    Scroll compressor with intermittent oil supply passage
    • Patent number 4,886,435
    • Issue date Dec 12, 1989
    • Matsushita Electric Industrial Co., Ltd.
    • Kiyoshi Sawai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with clearance between scroll wraps
    • Patent number 4,764,096
    • Issue date Aug 16, 1988
    • Matsushita Electric Industrial Co., Ltd.
    • Kiyoshi Sawai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electrically driven compressor with a peripheral housing weld
    • Patent number 4,744,737
    • Issue date May 17, 1988
    • Matsushita Electric Industrial Co., Ltd.
    • Michio Yamamura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20130101454
    • Publication date Apr 25, 2013
    • PANASONIC CORPORATION
    • Tsuyoshi Karino
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Air Pump
    • Publication number 20080044300
    • Publication date Feb 21, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Atsushi Sakuda
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Scroll Compressor
    • Publication number 20080038133
    • Publication date Feb 14, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Kiyoshi Sawai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vane Rotary Type Air Pump
    • Publication number 20070217937
    • Publication date Sep 20, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Kiyoshi Sawai
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Scroll Compressor
    • Publication number 20070201997
    • Publication date Aug 30, 2007
    • Akira Hiwata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll compressor
    • Publication number 20070178002
    • Publication date Aug 2, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Akira Hiwata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary vane air pump
    • Publication number 20070041860
    • Publication date Feb 22, 2007
    • Tatsuya Nakamoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Air-feeding device
    • Publication number 20060177333
    • Publication date Aug 10, 2006
    • Atsushi Sakuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll compressor
    • Publication number 20060115371
    • Publication date Jun 1, 2006
    • Akira Hiwata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll compressor
    • Publication number 20040067144
    • Publication date Apr 8, 2004
    • Noboru Iida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll compressor
    • Publication number 20030219351
    • Publication date Nov 27, 2003
    • Matsushita Electric Industrial Co., Ltd.
    • Akira Hiwata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Air supply apparatus
    • Publication number 20030147763
    • Publication date Aug 7, 2003
    • Matsushita Electric Industrial Co., Ltd.
    • Atsushi Sakuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...