TREA

Akifumi Tomiuka

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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary compressor
    • Patent number 7,223,082
    • Issue date May 29, 2007
    • Sanyo Electric Co., Ltd.
    • Kazuya Sato
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Refrigerant cycling device
    • Patent number 7,000,424
    • Issue date Feb 21, 2006
    • Sanyo Electric Co., LTD
    • Kenzo Matsumoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multistage compression type rotary compressor and cooling device
    • Patent number 6,931,866
    • Issue date Aug 23, 2005
    • Sanyo Electric Co., LTD
    • Kazuya Sato
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multistage compression type rotary compressor and cooling device
    • Patent number 6,907,746
    • Issue date Jun 21, 2005
    • Sanyo Electric Co., LTD
    • Kazuya Sato
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Multistage compression type rotary compressor and cooling device
    • Publication number 20050089413
    • Publication date Apr 28, 2005
    • Kazuya Sato
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Rotary compressor
    • Publication number 20040208769
    • Publication date Oct 21, 2004
    • Kazuya Sato
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Multistage compression type rotary compressor and cooling device
    • Publication number 20040118147
    • Publication date Jun 24, 2004
    • Kazuya Sato
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Refrigerant cycling device
    • Publication number 20040107720
    • Publication date Jun 10, 2004
    • Kenzo Matsumoto
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...