TREA

Yoshifumi WATANABE

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chain saw
    • Patent number 11,833,656
    • Issue date Dec 5, 2023
    • Makita Corporation
    • Kohei Oishi
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Stratified scavenging two-stroke engine
    • Patent number 9,726,070
    • Issue date Aug 8, 2017
    • Makita Corporation
    • Kenji Imafuku
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Stratified scavenging two-stroke engine
    • Patent number 9,719,416
    • Issue date Aug 1, 2017
    • Makita Corporation
    • Kenji Imafuku
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    CHAIN SAW
    • Publication number 20220203513
    • Publication date Jun 30, 2022
    • MAKITA CORPORATION
    • Kohei OISHI
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    CHAIN SAW
    • Publication number 20200338780
    • Publication date Oct 29, 2020
    • MAKITA CORPORATION
    • Yoshifumi Watanabe
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    STRATIFIED SCAVENGING TWO-STROKE ENGINE
    • Publication number 20140318517
    • Publication date Oct 30, 2014
    • MAKITA CORPORATION
    • Kenji IMAFUKU
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    STRATIFIED SCAVENGING TWO-STROKE ENGINE
    • Publication number 20140318515
    • Publication date Oct 30, 2014
    • MAKITA CORPORATION
    • Kenji IMAFUKU
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS