Ken SHIRAI

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Schnuerle scavenging two-stroke engine

    • Patent number 11,828,221
    • Issue date Nov 28, 2023
    • Yamabiko Corporation
    • Takahiro Yamazaki
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Two-cycle engine

    • Patent number 11,624,337
    • Issue date Apr 11, 2023
    • Yamabiko Corporation
    • Ken Shirai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Two-stroke internal combustion engine

    • Patent number 11,598,247
    • Issue date Mar 7, 2023
    • Yamabiko Corporation
    • Hisato Onodera
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Stratified scavenging engine and portable work machine

    • Patent number 10,927,789
    • Issue date Feb 23, 2021
    • Yamabiko Corporation
    • Shiro Yamaguchi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine driven working machine

    • Patent number 9,995,189
    • Issue date Jun 12, 2018
    • Yamabiko Corporation
    • Takahiro Yamazaki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Two-cycle engine

    • Patent number 9,127,588
    • Issue date Sep 8, 2015
    • Yamabiko Corporation
    • Ken Shirai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Two-stroke internal combustion engine

    • Patent number 8,955,475
    • Issue date Feb 17, 2015
    • Yamabiko Corporation
    • Takahiro Yamazaki
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Intake device for engine

    • Patent number 8,894,735
    • Issue date Nov 25, 2014
    • Yamabiko Corporation
    • Takahiro Yamazaki
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Air cleaner

    • Patent number 8,591,618
    • Issue date Nov 26, 2013
    • Yamabiko Corporation
    • Ken Shirai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Filler member for crankshaft

    • Patent number 8,468,910
    • Issue date Jun 25, 2013
    • Yamabiko Corporation
    • Hisato Osawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Two-stroke internal combustion engine

    • Patent number 8,353,262
    • Issue date Jan 15, 2013
    • Yamabiko Corporation
    • Naoki Koga
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    SCHNUERLE SCAVENGING TWO-STROKE ENGINE

    • Publication number 20230193811
    • Publication date Jun 22, 2023
    • Yamabiko Corporation
    • Takahiro Yamazaki
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    TWO-CYCLE ENGINE

    • Publication number 20230036494
    • Publication date Feb 2, 2023
    • Yamabiko Corporation
    • Ken Shirai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    TWO-STROKE INTERNAL COMBUSTION ENGINE

    • Publication number 20220154629
    • Publication date May 19, 2022
    • Yamabiko Corporation
    • Hisato ONODERA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    STRATIFIED SCAVENGING ENGINE AND PORTABLE WORK MACHINE

    • Publication number 20200095953
    • Publication date Mar 26, 2020
    • Yamabiko Corporation
    • Shiro YAMAGUCHI
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ENGINE-DRIVEN WORKING MACHINE

    • Publication number 20170030232
    • Publication date Feb 2, 2017
    • Yamabiko Corporation
    • Takahiro YAMAZAKI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Two-Stroke Internal Combustion Engine

    • Publication number 20140238371
    • Publication date Aug 28, 2014
    • Yamabiko Corporation
    • Takahiro Yamazaki
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Intake Device for Engine

    • Publication number 20130091816
    • Publication date Apr 18, 2013
    • Yamabiko Corporation
    • Takahiro YAMAZAKI
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    AIR CLEANER

    • Publication number 20120174889
    • Publication date Jul 12, 2012
    • Yamabiko Corporation
    • Ken SHIRAI
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    TWO-CYCLE ENGINE

    • Publication number 20120145137
    • Publication date Jun 14, 2012
    • Yamabiko Corporation
    • Ken SHIRAI
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    FILLER MEMBER FOR CRANKSHAFT

    • Publication number 20120137827
    • Publication date Jun 7, 2012
    • Yamabiko Corporation
    • Hisato OSAWA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    TWO-STROKE INTERNAL COMBUSTION ENGINE

    • Publication number 20110017183
    • Publication date Jan 27, 2011
    • Yamabiko Corporation
    • Naoki Koga
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS