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Masazumi Sakaniwa

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  • Ota-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Compressor with continuously inclined surface
    • Patent number 7,736,138
    • Issue date Jun 15, 2010
    • Sanyo Electric Co., Ltd.
    • Takahiro Nishikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary type compressor having an intermediate pressure on a surface...
    • Patent number 7,581,937
    • Issue date Sep 1, 2009
    • Sanyo Electric Co., Ltd.
    • Takahiro Nishikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multicylinder rotary compressor and compressing system and refriger...
    • Patent number 7,563,085
    • Issue date Jul 21, 2009
    • Sanyo Electric Co., LTD
    • Masazumi Sakaniwa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Shaft seal for rotary type compressor
    • Patent number 7,481,635
    • Issue date Jan 27, 2009
    • Sanyo Electric Co., Ltd.
    • Takahiro Nishikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Packaging apparatus and method for compressor
    • Patent number 7,458,461
    • Issue date Dec 2, 2008
    • Sanyo Electric Co., LTD
    • Masayuki Hara
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Multi-cylinder rotary compressor
    • Patent number 6,692,242
    • Issue date Feb 17, 2004
    • Sanyo Electric Co., LTD
    • Kenzo Matsumoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-cylinder rotary compressor
    • Patent number 6,676,393
    • Issue date Jan 13, 2004
    • Sanyo Electric Co., LTD
    • Kenzo Matsumoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-cylinder rotary compressor
    • Patent number 6,524,086
    • Issue date Feb 25, 2003
    • Sanyo Electric Co., LTD
    • Kenzo Matsumoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-cylinder rotary compressor
    • Patent number 6,336,799
    • Issue date Jan 8, 2002
    • Sanyo Electric Co., LTD
    • Kenzo Matsumoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    Compressor
    • Publication number 20080031753
    • Publication date Feb 7, 2008
    • SANYO ELECTRIC CO., LTD.
    • Takahiro Nishikawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Compressor
    • Publication number 20070243092
    • Publication date Oct 18, 2007
    • SANYO ELECTRIC CO., LTD.
    • Takahiro Nishikawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Packaging apparatus and method for compressor
    • Publication number 20060222542
    • Publication date Oct 5, 2006
    • Sanyo Electric Co., Ltd.
    • Masayuki Hara
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Compressor
    • Publication number 20060078440
    • Publication date Apr 13, 2006
    • SANYO ELECTRIC CO., LTD.
    • Takahiro Nishikawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Multicylinder rotary compressor and compressing system and refriger...
    • Publication number 20050214137
    • Publication date Sep 29, 2005
    • Masazumi Sakaniwa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Multi-cylinder rotary compressor
    • Publication number 20040076537
    • Publication date Apr 22, 2004
    • Kenzo Matsumoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Multi-cylinder rotary compressor
    • Publication number 20020182095
    • Publication date Dec 5, 2002
    • Sanyo Electric Co. Ltd.
    • Kenzo Matsumoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Multi-cylinder rotary compressor
    • Publication number 20020182096
    • Publication date Dec 5, 2002
    • Sanyo Electric Co. Ltd.
    • Kenzo Matsumoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Multi-cylinder rotary compressor
    • Publication number 20020006344
    • Publication date Jan 17, 2002
    • SANYO ELECTRIC CO., LTD.
    • Kenzo Matsumoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...