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Hisato Osawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric working tool
    • Patent number 12,138,771
    • Issue date Nov 12, 2024
    • Yamabiko Corporation
    • Hisato Osawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Electric power work device
    • Patent number 12,083,612
    • Issue date Sep 10, 2024
    • Yamabiko Corporation
    • Hisato Osawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Electric power work device
    • Patent number 11,826,893
    • Issue date Nov 28, 2023
    • Yamabiko Corporation
    • Hisato Osawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Electric working tool
    • Patent number 11,701,769
    • Issue date Jul 18, 2023
    • Yamabiko Corporation
    • Hisato Osawa
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Hand-held working machine
    • Patent number 11,685,074
    • Issue date Jun 27, 2023
    • Yamabiko Corporation
    • Hisato Osawa
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Electric power work device
    • Patent number 11,453,110
    • Issue date Sep 27, 2022
    • Yamabiko Corporation
    • Hisato Osawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Electric-power-driven working device
    • Patent number 11,141,874
    • Issue date Oct 12, 2021
    • Yamabiko Corporation
    • Hisato Osawa
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Air leading-type stratified scavenging two-stroke internal-combusti...
    • Patent number 10,487,777
    • Issue date Nov 26, 2019
    • Yamabiko Corporation
    • Takahiro Yamazaki
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Air cleaner for stratified scavenging two-stroke internal combustio...
    • Patent number 10,113,517
    • Issue date Oct 30, 2018
    • Yamabiko Corporation
    • Hisato Osawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Leading-air type two-stroke air-cooled engine
    • Patent number 10,036,304
    • Issue date Jul 31, 2018
    • Yamabiko Corporation
    • Takahiro Yamazaki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Air leading type two-stroke engine and intake system for same, and...
    • Patent number 9,988,971
    • Issue date Jun 5, 2018
    • Yamabiko Corporation
    • Takahiro Yamazaki
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Portable working machine
    • Patent number 9,970,349
    • Issue date May 15, 2018
    • Yamabiko Corporation
    • Takuo Yoshizaki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Portable working machine
    • Patent number 9,850,910
    • Issue date Dec 26, 2017
    • Yamabiko Corporation
    • Kosuke Matsumoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Work apparatus with safety equipment
    • Patent number 9,769,984
    • Issue date Sep 26, 2017
    • Yamabiko Corporation
    • Hisato Osawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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

    Top-handle working machine
    • Patent number 8,832,947
    • Issue date Sep 16, 2014
    • Yamabiko Corporation
    • Hisato Osawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Top-handle working machine
    • Patent number 8,707,568
    • Issue date Apr 29, 2014
    • Yamabiko Corporation
    • Hisato Osawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • 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

    Work apparatus with internal combustion engine
    • Patent number 8,397,691
    • Issue date Mar 19, 2013
    • Yamabiko Corporation
    • Hisato Osawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    Electric Working Machine
    • Publication number 20240300084
    • Publication date Sep 12, 2024
    • Yamabiko Corporation
    • Hisao KODAMA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Electric Working Machine
    • Publication number 20230226715
    • Publication date Jul 20, 2023
    • Yamabiko Corporation
    • Hisato OSAWA
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    Power Working Machine
    • Publication number 20230226679
    • Publication date Jul 20, 2023
    • Yamabiko Corporation
    • Hisato OSAWA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Driving Apparatus
    • Publication number 20220256774
    • Publication date Aug 18, 2022
    • Yamabiko Corporation
    • Kunio SHIMIZU
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    HAND-HELD WORKING MACHINE
    • Publication number 20210154880
    • Publication date May 27, 2021
    • Yamabiko Corporation
    • Hisato OSAWA
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    ELECTRIC WORKING TOOL
    • Publication number 20210046632
    • Publication date Feb 18, 2021
    • Yamabiko Corporation
    • Hisato OSAWA
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    ELECTRIC WORKING TOOL
    • Publication number 20210046631
    • Publication date Feb 18, 2021
    • Yamabiko Corporation
    • Hisato OSAWA
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    ELECTRIC POWER WORK DEVICE
    • Publication number 20200398417
    • Publication date Dec 24, 2020
    • Yamabiko Corporation
    • Hisato OSAWA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ELECTRIC POWER WORK DEVICE
    • Publication number 20200306847
    • Publication date Oct 1, 2020
    • Yamabiko Corporation
    • Hisato OSAWA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ELECTRIC POWER WORK DEVICE
    • Publication number 20200306948
    • Publication date Oct 1, 2020
    • Yamabiko Corporation
    • Hisato OSAWA
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    ELECTRIC-POWER-DRIVEN WORKING DEVICE
    • Publication number 20200223090
    • Publication date Jul 16, 2020
    • Yamabiko Corporation
    • Hisato OSAWA
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    Leading-Air Type Two-Stroke Air-Cooled Engine
    • Publication number 20170175615
    • Publication date Jun 22, 2017
    • Yamabiko Corporation
    • Takahiro Yamazaki
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Stratified Scavenging Two-Stroke Internal Combustion Engine, Air Cl...
    • Publication number 20160376979
    • Publication date Dec 29, 2016
    • Yamabiko Corporation
    • Hisato OSAWA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Air Cleaner For Stratified Scavenging Two-Stroke Internal Combustio...
    • Publication number 20160377035
    • Publication date Dec 29, 2016
    • Yamabiko Corporation
    • Hisato OSAWA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Portable Working Machine
    • Publication number 20160298552
    • Publication date Oct 13, 2016
    • Yamabiko Corporation
    • Takuo YOSHIZAKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Portable Working Machine
    • Publication number 20160298551
    • Publication date Oct 13, 2016
    • Yamabiko Corporation
    • Kosuke MATSUMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Air Leading Type Two-Stroke Engine And Intake System For Same, And...
    • Publication number 20160169087
    • Publication date Jun 16, 2016
    • Yamabiko Corporation
    • Takahiro Yamazaki
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Air Leading-Type Stratified Scavenging Two-Stroke Internal-Combusti...
    • Publication number 20160097344
    • Publication date Apr 7, 2016
    • Yamabiko Corporation
    • Takahiro Yamazaki
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    TOP-HANDLE WORKING MACHINE
    • Publication number 20130247389
    • Publication date Sep 26, 2013
    • Yamabiko Corporation
    • Hisato Osawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • 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

    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

    Top-handle working machine
    • Publication number 20110030227
    • Publication date Feb 10, 2011
    • Hisato Osawa
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    Work Apparatus With Safety Equipment
    • Publication number 20100294616
    • Publication date Nov 25, 2010
    • Yamabiko Corporation
    • Hisato Osawa
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    Work Apparatus With Internal Combustion Engine
    • Publication number 20100077985
    • Publication date Apr 1, 2010
    • Kioritz Corporation
    • Hisato Osawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS