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Kenji Yukishima

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  • Shizuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Outboard motor and method of manufacturing shaft for outboard motor
    • Patent number 11,091,242
    • Issue date Aug 17, 2021
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yuki Ikegaya
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Outboard motor and damper for propeller unit
    • Patent number 10,967,948
    • Issue date Apr 6, 2021
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Junya Onoue
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Boat propulsion system
    • Patent number 8,087,958
    • Issue date Jan 3, 2012
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Kenji Yukishima
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Exhaust system for outboard motor
    • Patent number 6,511,356
    • Issue date Jan 28, 2003
    • Sanshin Kogyo Kabushiki Kaisha
    • Kenji Yukishima
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Engine decompression device
    • Patent number 6,374,792
    • Issue date Apr 23, 2002
    • Sanshin Kogyo Kabushiki Kaisha
    • Hiroyuki Suzuki
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    MARINE PROPULSION DEVICE AND MARINE VESSEL
    • Publication number 20230009087
    • Publication date Jan 12, 2023
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Kimitaka SARUWATARI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    OUTBOARD MOTOR
    • Publication number 20220306258
    • Publication date Sep 29, 2022
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Kimitaka SARUWATARI
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    OUTBOARD MOTOR AND METHOD OF MANUFACTURING SHAFT FOR OUTBOARD MOTOR
    • Publication number 20200130801
    • Publication date Apr 30, 2020
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Yuki IKEGAYA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    OUTBOARD MOTOR AND DAMPER FOR PROPELLER UNIT
    • Publication number 20190270501
    • Publication date Sep 5, 2019
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Junya Onoue
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    BOAT PROPULSION SYSTEM
    • Publication number 20090209147
    • Publication date Aug 20, 2009
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Kenji YUKISHIMA
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    SHIFT MECHANISM OF BOAT PROPULSION UNIT
    • Publication number 20090209150
    • Publication date Aug 20, 2009
    • YAMAHA HATSUDOKI KABUSHIKI KAISHA
    • Kenji YUKISHIMA
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Exhaust system for outboard motor
    • Publication number 20020068491
    • Publication date Jun 6, 2002
    • Kenji Yukishima
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT