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Masayuki Kasahara

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  • Shimizu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-stage screw compressor
    • Patent number 11,773,853
    • Issue date Oct 3, 2023
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Masayuki Kasahara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw rotor, fluid machine main body, and fluid machine
    • Patent number 11,415,134
    • Issue date Aug 16, 2022
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Yuuji Itou
    • B33 - ADDITIVE MANUFACTURING TECHNOLOGY
  • Information Patent Grant

    Oilless compressor
    • Patent number 10,550,841
    • Issue date Feb 4, 2020
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Masayuki Kasahara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Water lubricated screw compressor
    • Patent number 9,732,751
    • Issue date Aug 15, 2017
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Fumio Takeda
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Fuel cell system
    • Patent number 7,081,311
    • Issue date Jul 25, 2006
    • Hitachi, Ltd.
    • Hirotaka Kameya
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

  • Information Patent Application

    Multi-Stage Screw Compressor
    • Publication number 20220112895
    • Publication date Apr 14, 2022
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Masayuki KASAHARA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Rotor, Fluid Machine Main Body, and Fluid Machine
    • Publication number 20210017986
    • Publication date Jan 21, 2021
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Yuuji ITOU
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Oilless Compressor
    • Publication number 20180238329
    • Publication date Aug 23, 2018
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Masayuki KASAHARA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Multistage Compressor
    • Publication number 20170268498
    • Publication date Sep 21, 2017
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Masayuki KASAHARA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Water Lubricated Screw Compressor
    • Publication number 20140308148
    • Publication date Oct 16, 2014
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Fumio TAKEDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fuel cell system
    • Publication number 20030049505
    • Publication date Mar 13, 2003
    • Hirotaka Kameya
    • H01 - BASIC ELECTRIC ELEMENTS