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Eiji Kumakura

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Patents Grantslast 30 patents

  • Information Patent Grant

    Air conditioner
    • Patent number 12,320,556
    • Issue date Jun 3, 2025
    • Daikin Industries, Ltd.
    • Eiji Kumakura
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air conditioner
    • Patent number 12,298,046
    • Issue date May 13, 2025
    • Daikin Industries, Ltd.
    • Atsushi Yoshimi
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air conditioner
    • Patent number 12,253,277
    • Issue date Mar 18, 2025
    • Daikin Industries, Ltd.
    • Atsushi Yoshimi
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Refrigerant charging method
    • Patent number 12,235,027
    • Issue date Feb 25, 2025
    • Daikin Industries, Ltd.
    • Takuro Yamada
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigeration cycle apparatus and four-way valve
    • Patent number 12,163,707
    • Issue date Dec 10, 2024
    • Daikin Industries, Ltd.
    • Takeru Miyazaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Refrigeration apparatus
    • Patent number 12,163,706
    • Issue date Dec 10, 2024
    • Daikin Industries, Ltd.
    • Ikuhiro Iwata
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air conditioner
    • Patent number 12,163,712
    • Issue date Dec 10, 2024
    • Daikin Industries, Ltd.
    • Atsushi Yoshimi
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Refrigerant cycle system
    • Patent number 12,140,358
    • Issue date Nov 12, 2024
    • Daikin Industries, Ltd.
    • Takuro Yamada
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerant cycle system
    • Patent number 12,092,374
    • Issue date Sep 17, 2024
    • Daikin Industries, Ltd.
    • Takuro Yamada
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigeration cycle device
    • Patent number 12,066,222
    • Issue date Aug 20, 2024
    • Daikin Industries, Ltd.
    • Eiji Kumakura
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Heat pump device using a non-azeotropic mixture refrigerant
    • Patent number 12,044,452
    • Issue date Jul 23, 2024
    • Daikin Industries, Ltd.
    • Eiji Kumakura
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigeration cycle device
    • Patent number 12,007,150
    • Issue date Jun 11, 2024
    • Daikin Industries, Ltd.
    • Ikuhiro Iwata
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerant charging method, heat source unit, and renewed refriger...
    • Patent number 11,994,323
    • Issue date May 28, 2024
    • Daikin Industries, Ltd.
    • Takuro Yamada
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerant charging method
    • Patent number 11,988,426
    • Issue date May 21, 2024
    • Daikin Industries, Ltd.
    • Takuro Yamada
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigeration cycle device
    • Patent number 11,976,851
    • Issue date May 7, 2024
    • Daikin Industries, Ltd.
    • Ikuhiro Iwata
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigeration cycle apparatus
    • Patent number 11,976,859
    • Issue date May 7, 2024
    • Daikin Industries, Ltd.
    • Hiroki Ueda
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Drive shaft of compressor having oil groove portion and oil sump
    • Patent number 11,971,037
    • Issue date Apr 30, 2024
    • Daikin Industries, Ltd.
    • Eiji Kumakura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Refrigeration cycle device
    • Patent number 11,959,667
    • Issue date Apr 16, 2024
    • Daikin Industries, Ltd.
    • Ikuhiro Iwata
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigeration cycle device for vehicle
    • Patent number 11,920,077
    • Issue date Mar 5, 2024
    • Daikin Industries, Ltd.
    • Eiji Kumakura
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Refrigeration apparatus
    • Patent number 11,906,207
    • Issue date Feb 20, 2024
    • Daikin Industries, Ltd.
    • Eiji Kumakura
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigeration cycle apparatus
    • Patent number 11,820,933
    • Issue date Nov 21, 2023
    • Daikin Industries, Ltd.
    • Eiji Kumakura
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigeration cycle device
    • Patent number 11,739,995
    • Issue date Aug 29, 2023
    • Daikin Industries, Ltd.
    • Takuro Yamada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Refrigeration cycle apparatus
    • Patent number 11,535,781
    • Issue date Dec 27, 2022
    • Daikin Industries, Ltd.
    • Eiji Kumakura
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Refrigeration cycle apparatus
    • Patent number 11,506,425
    • Issue date Nov 22, 2022
    • Daikin Industries, Ltd.
    • Eiji Kumakura
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Air-conditioning unit
    • Patent number 11,493,244
    • Issue date Nov 8, 2022
    • Daikin Industries, Ltd.
    • Eiji Kumakura
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air-conditioning unit
    • Patent number 11,454,433
    • Issue date Sep 27, 2022
    • Daikin Industries, Ltd.
    • Eiji Kumakura
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Heat source unit and refrigeration cycle apparatus
    • Patent number 11,435,118
    • Issue date Sep 6, 2022
    • Daikin Industries, Ltd.
    • Eiji Kumakura
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air conditioner with a refrigerant having a property of undergoing...
    • Patent number 11,209,195
    • Issue date Dec 28, 2021
    • Daikin Industries, Ltd.
    • Eiji Kumakura
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigeration device controlling a temperature of compressor-discha...
    • Patent number 11,143,446
    • Issue date Oct 12, 2021
    • Daikin Industries, Ltd.
    • Eiji Kumakura
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air conditioner
    • Patent number 11,112,154
    • Issue date Sep 7, 2021
    • Daikin Industries, Ltd.
    • Eiji Kumakura
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

  • Information Patent Application

    REFRIGERATION CYCLE APPARATUS
    • Publication number 20250115796
    • Publication date Apr 10, 2025
    • DAIKIN INDUSTRIES, LTD.
    • Eiji KUMAKURA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    METHOD USING REFRIGERANT FOR COMPRESSOR, COMPRESSOR, AND REFRIGERAT...
    • Publication number 20250043787
    • Publication date Feb 6, 2025
    • DAIKIN INDUSTRIES, LTD.
    • Tomoyuki GOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR CONDITIONING UNIT AND PACKAGING UNIT
    • Publication number 20250012477
    • Publication date Jan 9, 2025
    • DAIKIN INDUSTRIES, LTD.
    • Kengo UCHIDA
    • A62 - LIFE-SAVING FIRE-FIGHTING
  • Information Patent Application

    REFRIGERATION CYCLE DEVICE FOR VEHICLE
    • Publication number 20240218226
    • Publication date Jul 4, 2024
    • DAIKIN INDUSTRIES, LTD.
    • Eiji KUMAKURA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    REFRIGERATION CYCLE APPARATUS
    • Publication number 20240027105
    • Publication date Jan 25, 2024
    • DAIKIN INDUSTRIES, LTD.
    • Atsushi YOSHIMI
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION CYCLE APPARATUS
    • Publication number 20240027104
    • Publication date Jan 25, 2024
    • DAIKIN INDUSTRIES, LTD.
    • Hiroki IKARASHI
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HEAT PUMP DEVICE
    • Publication number 20240027115
    • Publication date Jan 25, 2024
    • Daikin Industries, Ltd.
    • Eiji KUMAKURA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION CYCLE APPARATUS
    • Publication number 20240019181
    • Publication date Jan 18, 2024
    • DAIKIN INDUSTRIES, LTD.
    • Hiroki UEDA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION CYCLE APPARATUS
    • Publication number 20240019178
    • Publication date Jan 18, 2024
    • Daikin Industries, Ltd.
    • Masaki TANAKA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERANT RECOVERY SYSTEM
    • Publication number 20240019183
    • Publication date Jan 18, 2024
    • DAIKIN INDUSTRIES, LTD.
    • Ryuhei KAJI
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HEAT PUMP APPARATUS
    • Publication number 20240019177
    • Publication date Jan 18, 2024
    • DAIKIN INDUSTRIES, LTD.
    • Ikuhiro IWATA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    REFRIGERANT RECOVERY SYSTEM AND REFRIGERANT FILLING SYSTEM
    • Publication number 20240019184
    • Publication date Jan 18, 2024
    • DAIKIN INDUSTRIES, LTD.
    • Hiroki UEDA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION CYCLE APPARATUS
    • Publication number 20240019176
    • Publication date Jan 18, 2024
    • DAIKIN INDUSTRIES, LTD.
    • Atsushi YOSHIMI
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION CYCLE DEVICE FOR VEHICLE
    • Publication number 20240017595
    • Publication date Jan 18, 2024
    • DAIKIN INDUSTRIES, LTD.
    • Ikuhiro Iwata
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    REFRIGERATION CYCLE APPARATUS
    • Publication number 20230417459
    • Publication date Dec 28, 2023
    • DAIKIN INDUSTRIES, LTD.
    • Eiji KUMAKURA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION CYCLE APPARATUS
    • Publication number 20230417460
    • Publication date Dec 28, 2023
    • DAIKIN INDUSTRIES, LTD.
    • Eiji KUMAKURA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HEAT TRANSFER METHOD
    • Publication number 20230228464
    • Publication date Jul 20, 2023
    • DAIKIN INDUSTRIES, LTD.
    • Takeru MIYAZAKI
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION CYCLE APPARATUS
    • Publication number 20230132359
    • Publication date Apr 27, 2023
    • DAIKIN INDUSTRIES, LTD.
    • Eiji KUMAKURA
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    REFRIGERATION CYCLE APPARATUS
    • Publication number 20230097829
    • Publication date Mar 30, 2023
    • DAIKIN INDUSTRIES, LTD.
    • Eiji KUMAKURA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    AIR CONDITIONER
    • Publication number 20230021512
    • Publication date Jan 26, 2023
    • DAIKIN INDUSTRIES, LTD.
    • Atsushi Yoshimi
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION CYCLE DEVICE FOR VEHICLE
    • Publication number 20230029441
    • Publication date Jan 26, 2023
    • DAIKIN INDUSTRIES, LTD.
    • Eiji KUMAKURA
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    AIR CONDITIONER
    • Publication number 20230027378
    • Publication date Jan 26, 2023
    • DAIKIN INDUSTRIES, LTD.
    • Eiji Kumakura
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION CYCLE APPARATUS
    • Publication number 20220380648
    • Publication date Dec 1, 2022
    • DAIKIN INDUSTRIES, LTD.
    • Eiji KUMAKURA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20220381245
    • Publication date Dec 1, 2022
    • DAIKIN INDUSTRIES, LTD.
    • Eiji KUMAKURA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    REFRIGERANT CYCLE SYSTEM
    • Publication number 20220325923
    • Publication date Oct 13, 2022
    • DAIKIN INDUSTRIES, LTD.
    • Takuro Yamada
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERANT CYCLE SYSTEM
    • Publication number 20220316767
    • Publication date Oct 6, 2022
    • DAIKIN INDUSTRIES, LTD.
    • Takuro Yamada
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    AIR CONDITIONER
    • Publication number 20220316765
    • Publication date Oct 6, 2022
    • DAIKIN INDUSTRIES, LTD.
    • Takuro Yamada
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERANT CYCLE SYSTEM
    • Publication number 20220228782
    • Publication date Jul 21, 2022
    • DAIKIN INDUSTRIES, LTD.
    • Eiji KUMAKURA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION CYCLE APPARATUS AND FOUR-WAY VALVE
    • Publication number 20220221204
    • Publication date Jul 14, 2022
    • DAIKIN INDUSTRIES, LTD.
    • Takeru MIYAZAKI
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION CYCLE DEVICE
    • Publication number 20220221205
    • Publication date Jul 14, 2022
    • DAIKIN INDUSTRIES, LTD.
    • Takuro Yamada
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...