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Osamu YAMAGISHI

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  • Osaka-shi, Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Engine device
    • Patent number 11,428,177
    • Issue date Aug 30, 2022
    • YANMAR POWER TECHNOLOGY CO., LTD.
    • Ryoichi Hagiwara
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine device
    • Patent number 11,111,866
    • Issue date Sep 7, 2021
    • YANMAR POWER TECHNOLOGY CO., LTD.
    • Ryoichi Hagiwara
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Engine device
    • Patent number 10,690,069
    • Issue date Jun 23, 2020
    • Yanmar Co., Ltd.
    • Ryoichi Hagiwara
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine device
    • Patent number 10,393,035
    • Issue date Aug 27, 2019
    • Yanmar Co., Ltd.
    • Ryoichi Hagiwara
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine device
    • Patent number 10,378,461
    • Issue date Aug 13, 2019
    • Yanmar Co., Ltd.
    • Ryoichi Hagiwara
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Gas engine
    • Patent number 10,330,031
    • Issue date Jun 25, 2019
    • Yanmar Co., Ltd.
    • Tatsuro Ohsara
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine device
    • Patent number 10,267,254
    • Issue date Apr 23, 2019
    • Yanmar Co., Ltd.
    • Ryoichi Hagiwara
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Engine device
    • Patent number 10,221,796
    • Issue date Mar 5, 2019
    • YANMAR CO., LTD.
    • Ryoichi Hagiwara
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine device
    • Patent number 10,094,309
    • Issue date Oct 9, 2018
    • YANMAR CO., LTD.
    • Ryoichi Hagiwara
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

  • Information Patent Application

    ENGINE DEVICE
    • Publication number 20210355886
    • Publication date Nov 18, 2021
    • Yanmar Power Technology Co., Ltd.
    • Ryoichi HAGIWARA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ENGINE DEVICE
    • Publication number 20200284213
    • Publication date Sep 10, 2020
    • Yanmar Co., Ltd.
    • Ryoichi HAGIWARA
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    ENGINE DEVICE
    • Publication number 20190085773
    • Publication date Mar 21, 2019
    • Yanmar Co., Ltd.
    • Ryoichi HAGIWARA
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    ENGINE DEVICE
    • Publication number 20180298840
    • Publication date Oct 18, 2018
    • Yanmar Co., Ltd.
    • Ryoichi HAGIWARA
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    ENGINE DEVICE
    • Publication number 20180258868
    • Publication date Sep 13, 2018
    • Yanmar Co., Ltd.
    • Ryoichi HAGIWARA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ENGINE DEVICE
    • Publication number 20180252174
    • Publication date Sep 6, 2018
    • Yanmar Co., Ltd.
    • Ryoichi HAGIWARA
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    ENGINE DEVICE
    • Publication number 20180216559
    • Publication date Aug 2, 2018
    • Yanmar Co., Ltd.
    • Ryoichi HAGIWARA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    GAS ENGINE
    • Publication number 20160369720
    • Publication date Dec 22, 2016
    • YANMAR CO., LTD
    • Tatsuro OHSARA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ENGINE DEVICE
    • Publication number 20160363065
    • Publication date Dec 15, 2016
    • Yanmar Co., Ltd.
    • Ryoichi HAGIWARA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    AUXILIARY-CHAMBER-TYPE GAS ENGINE
    • Publication number 20160252030
    • Publication date Sep 1, 2016
    • Yanmar Co., Ltd.
    • Ryoichi HAGIWARA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS