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HIROAKI NAKAI

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Patents Grantslast 30 patents

  • Information Patent Grant

    Compressor having injection function
    • Patent number 11,473,577
    • Issue date Oct 18, 2022
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Hiroaki Nakai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Asymmetrical scroll compressor
    • Patent number 11,098,715
    • Issue date Aug 24, 2021
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Hiroaki Nakai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Refrigeration cycle device with motor speed estimator
    • Patent number 10,590,934
    • Issue date Mar 17, 2020
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Fuminori Sakima
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Rotary compressor having two cylinders
    • Patent number 10,233,929
    • Issue date Mar 19, 2019
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Hiroaki Nakai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor having two cylinders
    • Patent number 10,233,930
    • Issue date Mar 19, 2019
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Hiroaki Nakai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor and refrigeration cycle device using same
    • Patent number 10,215,451
    • Issue date Feb 26, 2019
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Akira Fujitaka
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Compressor and refrigeration cycle device using same
    • Patent number 10,151,514
    • Issue date Dec 11, 2018
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Akira Fujitaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor and refrigeration cycle device using same
    • Patent number 10,077,922
    • Issue date Sep 18, 2018
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Akira Fujitaka
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Rotary compressor
    • Patent number 9,568,004
    • Issue date Feb 14, 2017
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Takeshi Ogata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor with oil retaining portion
    • Patent number 9,512,841
    • Issue date Dec 6, 2016
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Takeshi Ogata
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary compressor having an oil groove in an inner peripheral surfa...
    • Patent number 9,482,231
    • Issue date Nov 1, 2016
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Shingo Oyagi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with bypass holes
    • Patent number 8,985,978
    • Issue date Mar 24, 2015
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Hiroaki Nakai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    COMPRESSOR HAVING INJECTION FUNCTION
    • Publication number 20200063736
    • Publication date Feb 27, 2020
    • Panasonic Intellectual Property Management Co., Ltd.
    • Hiroaki NAKAI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ASYMMETRICAL SCROLL COMPRESSOR
    • Publication number 20200063737
    • Publication date Feb 27, 2020
    • Panasonic, Intellectual Property Management Co., Ltd.
    • Hiroaki NAKAI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20190309750
    • Publication date Oct 10, 2019
    • Panasonic Intellectual Property Management Co., Ltd.
    • HIROAKI NAKAI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR HAVING TWO CYLINDERS
    • Publication number 20180291899
    • Publication date Oct 11, 2018
    • Panasonic Intellectual Property Management Co., Ltd.
    • HIROAKI NAKAI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    REFRIGERATION CYCLE DEVICE
    • Publication number 20180156217
    • Publication date Jun 7, 2018
    • Panasonic Intellectual Property Management Co., Ltd.
    • FUMINORI SAKIMA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION CYCLE DEVICE AND COMPRESSOR USED IN SAME
    • Publication number 20170350623
    • Publication date Dec 7, 2017
    • Panasonic Intellectual Property Management Co., Ltd.
    • HIROAKI NAKAI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR HAVING TWO CYLINDERS
    • Publication number 20170167487
    • Publication date Jun 15, 2017
    • Panasonic Intellectual Property Management Co., Ltd.
    • HIROAKI NAKAI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND REFRIGERATION CYCLE DEVICE USING SAME
    • Publication number 20170146265
    • Publication date May 25, 2017
    • Panasonic Intellectual Property Management Co., Ltd.
    • Akira FUJITAKA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND REFRIGERATION CYCLE DEVICE USING SAME
    • Publication number 20170138641
    • Publication date May 18, 2017
    • Panasonic Intellectual Property Management Co., Ltd.
    • Akira FUJITAKA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    REFRIGERATION CYCLE DEVICE
    • Publication number 20170138645
    • Publication date May 18, 2017
    • Panasonic Intellectual Property Management Co. Ltd.
    • Fuminori SAKIMA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20150322949
    • Publication date Nov 12, 2015
    • Panasonic Intellectual Property Management Co., Ltd.
    • Shingo OYAGI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20140322057
    • Publication date Oct 30, 2014
    • Takeshi Ogata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20140301881
    • Publication date Oct 9, 2014
    • Takeshi Ogata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20130189080
    • Publication date Jul 25, 2013
    • PANASONIC CORPORATION
    • Hiroaki Nakai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20130108496
    • Publication date May 2, 2013
    • PANASONIC CORPORATION
    • Hiroaki Nakai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...