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Tomohiro OTSUKA

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  • Takasago-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piston and reciprocating compressor
    • Patent number 11,668,394
    • Issue date Jun 6, 2023
    • Kobe Steel, Ltd.
    • Shunsuke Morinaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston ring and compressor
    • Patent number 11,346,332
    • Issue date May 31, 2022
    • Kobe Steel, Ltd.
    • Naofumi Kanei
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    PISTON AND RECIPROCATING COMPRESSOR
    • Publication number 20230034137
    • Publication date Feb 2, 2023
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Shunsuke MORINAKA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON RING UNIT AND COMPRESSOR
    • Publication number 20220196151
    • Publication date Jun 23, 2022
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Toru OKADA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20220154709
    • Publication date May 19, 2022
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Tomohiro OTSUKA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND HYDROGEN STATION
    • Publication number 20220120263
    • Publication date Apr 21, 2022
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Tomohiro OTSUKA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND HYDROGEN STATION
    • Publication number 20220120264
    • Publication date Apr 21, 2022
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Tomohiro OTSUKA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON RING AND COMPRESSOR
    • Publication number 20210156371
    • Publication date May 27, 2021
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Naofumi KANEI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20200408302
    • Publication date Dec 31, 2020
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Naofumi KANEI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...