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Toshinori Yasutomi

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  • Ibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Muffler and engine-driven work machine
    • Patent number 9,200,558
    • Issue date Dec 1, 2015
    • Hitachi Koki Co., Ltd.
    • Toshinori Yasutomi
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Two cycle engine and two cycle engine tool
    • Patent number 8,499,730
    • Issue date Aug 6, 2013
    • Hitachi Koki Co., Ltd.
    • Toshinori Yasutomi
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Two cycle engine and tool
    • Patent number 8,439,005
    • Issue date May 14, 2013
    • Hitachi Koki Co., Ltd.
    • Toshinori Yasutomi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    ENGINE AND ENGINE OPERATING MACHINE HAVING THE ENGINE
    • Publication number 20160201598
    • Publication date Jul 14, 2016
    • Hitachi Koki Co., Ltd.
    • Toshinori YASUTOMI
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    MUFFLER AND ENGINE-DRIVEN WORK MACHINE
    • Publication number 20140000574
    • Publication date Jan 2, 2014
    • Toshinori Yasutomi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    TWO CYCLE ENGINE AND TWO CYCLE ENGINE TOOL
    • Publication number 20100037877
    • Publication date Feb 18, 2010
    • Hitachi Koki Co., Ltd.
    • Toshinori YASUTOMI
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    TWO CYCLE ENGINE AND TOOL
    • Publication number 20100037875
    • Publication date Feb 18, 2010
    • Hitachi Koki Co., Ltd.
    • Toshinori YASUTOMI
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS