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Mitsutaka Yamaya

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Patents Grantslast 30 patents

  • Information Patent Grant

    Blow-by gas device of supercharger-equipped engine
    • Patent number 10,927,752
    • Issue date Feb 23, 2021
    • Mazda Motor Corporation
    • Ryotaro Nishida
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Engine with supercharger arrangement
    • Patent number 10,900,411
    • Issue date Jan 26, 2021
    • Mazda Motor Corporation
    • Ken Yoshida
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Piston structure for engine
    • Patent number 9,556,821
    • Issue date Jan 31, 2017
    • Mazda Motor Corporation
    • Koichi Hirata
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Piston structure for engine
    • Patent number 9,347,396
    • Issue date May 24, 2016
    • Mazda Motor Corporation
    • Koichi Hirata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    ENGINE WITH SUPERCHARGER
    • Publication number 20200370467
    • Publication date Nov 26, 2020
    • MAZDA MOTOR CORPORATION
    • Ken Yoshida
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    BLOW-BY GAS DEVICE OF SUPERCHARGER-EQUIPPED ENGINE
    • Publication number 20190368411
    • Publication date Dec 5, 2019
    • Mazda Motor Corporation
    • Ryotaro Nishida
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    PISTON STRUCTURE FOR ENGINE
    • Publication number 20150075479
    • Publication date Mar 19, 2015
    • MAZDA MOTOR CORPORATION
    • Koichi Hirata
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    PISTON STRUCTURE FOR ENGINE
    • Publication number 20150075478
    • Publication date Mar 19, 2015
    • MAZDA MOTOR CORPORATION
    • Koichi Hirata
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Structure of relief valve for oil pump
    • Publication number 20070062582
    • Publication date Mar 22, 2007
    • MAZDA MOTOR CORPORATION
    • Ken Ohtsuki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES