TREA

Ryoichi HAGIWARA

Follow

Person

  • Osaka-shi, Osaka, JP
People

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

    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
  • Information Patent Grant

    Cogeneration system
    • Patent number 9,476,620
    • Issue date Oct 25, 2016
    • Yanmar Co., Ltd.
    • Toru Takemoto
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Ignition system and ignition plug that reduces the required voltage...
    • Patent number 9,407,070
    • Issue date Aug 2, 2016
    • YANMAR CO., LTD.
    • Toru Takemoto
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

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

    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
  • Information Patent Application

    IGNITION SYSTEM, IGNITION PLUG AND ENGINE USING THEM
    • Publication number 20160020583
    • Publication date Jan 21, 2016
    • YANMAR CO., LTD
    • Toru TAKEMOTO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    COGENERATION SYSTEM
    • Publication number 20140013785
    • Publication date Jan 16, 2014
    • YANMAR CO., LTD
    • Toru Takemoto
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS