TREA

Takashi Yokoyama

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Patents Grantslast 30 patents

  • Information Patent Grant

    Dental attachment
    • Patent number 5,931,676
    • Issue date Aug 3, 1999
    • Aichi Steel Works, Ltd.
    • Yoshinobu Honkura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Soft magnetic stainless steel for cold forging
    • Patent number 4,714,502
    • Issue date Dec 22, 1987
    • Aichi Steel Works, Ltd.
    • Yoshinobu Honkura
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Soft magnetic stainless steel
    • Patent number 4,705,581
    • Issue date Nov 10, 1987
    • Aichi Steel Works, Ltd.
    • Yoshinobu Honkura
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...