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Naotsugu YOSHIDA

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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for manufacturing cast strip
    • Patent number 11,717,883
    • Issue date Aug 8, 2023
    • Nippon Steel Corporation
    • Naotsugu Yoshida
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Thin strip manufacture method
    • Patent number 11,618,072
    • Issue date Apr 4, 2023
    • Nippon Steel Corporation
    • Masafumi Miyazaki
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Motor drive apparatus
    • Patent number 11,496,085
    • Issue date Nov 8, 2022
    • TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
    • Naotsugu Yoshida
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Cast strip manufacturing method
    • Patent number 11,458,534
    • Issue date Oct 4, 2022
    • Nippon Steel Corporation
    • Takashi Arai
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Spring steel and method for producing the same
    • Patent number 10,202,665
    • Issue date Feb 12, 2019
    • Nippon Steel & Sumitomo Metal Corporation
    • Masayuki Hashimura
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Cu—Sn coexisting steel and method for manufacturing the same
    • Patent number 10,046,383
    • Issue date Aug 14, 2018
    • Nippon Steel & Sumitomo Metal Corporation
    • Naotsugu Yoshida
    • C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents