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Kotaro CHIBA

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Patents Grantslast 30 patents

  • Information Patent Grant

    Gas compressor
    • Patent number 12,146,481
    • Issue date Nov 19, 2024
    • Hitachi, Ltd.
    • Ryota Iijima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor having working chamber closing member to regulate...
    • Patent number 12,135,032
    • Issue date Nov 5, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Takeshi Tsuchiya
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Screw compressor having a plurality of branch paths with intersects...
    • Patent number 12,123,413
    • Issue date Oct 22, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kotaro Chiba
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Liquid-cooled rotary compressor and coolant supply method therefor
    • Patent number 12,123,411
    • Issue date Oct 22, 2024
    • Hitachi, Ltd.
    • Nae Hisano
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor
    • Patent number 12,110,889
    • Issue date Oct 8, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kotaro Chiba
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-stage screw compressor
    • Patent number 12,078,172
    • Issue date Sep 3, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Takeshi Tsuchiya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor and screw rotor
    • Patent number 12,031,536
    • Issue date Jul 9, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Takeshi Tsuchiya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid supply type screw compressor
    • Patent number 12,025,129
    • Issue date Jul 2, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kotaro Chiba
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor having a screw rotor whose pitch changes in an axi...
    • Patent number 11,933,300
    • Issue date Mar 19, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Shota Tanimoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid-feeding rotary-screw compressor
    • Patent number 11,873,817
    • Issue date Jan 16, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Takeshi Tsuchiya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor having a lubrication path for a plurality of sucti...
    • Patent number 11,719,241
    • Issue date Aug 8, 2023
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kotaro Chiba
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor having a different pressure of the fluid applied t...
    • Patent number 11,428,228
    • Issue date Aug 30, 2022
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kotaro Chiba
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor having a plurality of branch paths with intersects...
    • Patent number 11,359,626
    • Issue date Jun 14, 2022
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kotaro Chiba
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor having an opening of a fluid supply portion betwee...
    • Patent number 11,231,036
    • Issue date Jan 25, 2022
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kotaro Chiba
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid machine
    • Patent number 11,149,734
    • Issue date Oct 19, 2021
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kotaro Chiba
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Air compressor
    • Patent number 10,995,756
    • Issue date May 4, 2021
    • Hitachi, Ltd.
    • Masanao Kotani
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid feeding type screw compressor
    • Patent number 10,514,037
    • Issue date Dec 24, 2019
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kosuke Sadakata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor
    • Patent number 10,145,374
    • Issue date Dec 4, 2018
    • HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.
    • Ryuichiro Yonemoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Screw Compressor
    • Publication number 20250075698
    • Publication date Mar 6, 2025
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Shuhei NAGATA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20240183357
    • Publication date Jun 6, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Shota TANIMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTI-STAGE SCREW COMPRESSOR
    • Publication number 20240141896
    • Publication date May 2, 2024
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Takeshi TSUCHIYA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor
    • Publication number 20240068475
    • Publication date Feb 29, 2024
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Takeshi TSUCHIYA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor
    • Publication number 20240052830
    • Publication date Feb 15, 2024
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Kotaro CHIBA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor and Screw Rotor
    • Publication number 20230392598
    • Publication date Dec 7, 2023
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Takeshi TSUCHIYA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LIQUID-COOLED ROTARY COMPRESSOR AND COOLANT SUPPLY METHOD THEREFOR
    • Publication number 20230383749
    • Publication date Nov 30, 2023
    • Hitachi, Ltd
    • Nae HISANO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GAS COMPRESSOR
    • Publication number 20230366400
    • Publication date Nov 16, 2023
    • Hitachi, Ltd
    • Ryota IIJIMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Liquid Supply Type Screw Compressor
    • Publication number 20230070782
    • Publication date Mar 9, 2023
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Kotaro CHIBA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Liquid-Feeding Rotary-Screw Compressor
    • Publication number 20220403845
    • Publication date Dec 22, 2022
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Takeshi TSUCHIYA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20220341423
    • Publication date Oct 27, 2022
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Shota TANIMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor Having a Plurality of Branch Paths with Intersects...
    • Publication number 20220268276
    • Publication date Aug 25, 2022
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kotaro CHIBA
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    Screw Compressor
    • Publication number 20220049700
    • Publication date Feb 17, 2022
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Kotaro CHIBA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor
    • Publication number 20210381510
    • Publication date Dec 9, 2021
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Kotaro CHIBA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor
    • Publication number 20210088045
    • Publication date Mar 25, 2021
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Kotaro CHIBA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor
    • Publication number 20200386229
    • Publication date Dec 10, 2020
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Kotaro CHIBA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor
    • Publication number 20200378385
    • Publication date Dec 3, 2020
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kotaro CHIBA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Air Compressor
    • Publication number 20190242382
    • Publication date Aug 8, 2019
    • Hitachi, Ltd
    • Masanao KOTANI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fluid Machine
    • Publication number 20190170143
    • Publication date Jun 6, 2019
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Kotaro CHIBA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Liquid Feeding Type Screw Compressor
    • Publication number 20180106254
    • Publication date Apr 19, 2018
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kosuke SADAKATA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20170030356
    • Publication date Feb 2, 2017
    • JOHNSON CONTROLS-HITACHI AIR CONDITIONING TECHNOLOGY (HONG KONG) LIMITED,
    • Ryuichiro YONEMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...