TREA

Ryoji Hayashi

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  • Himeji-Shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    (CoFe)Zr/Nb/Ta/Hf based target material
    • Patent number 8,066,825
    • Issue date Nov 29, 2011
    • Sanyo Special Steel Co., Ltd.
    • Toshiyuki Sawada
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Soft magnetic FeCo based target material
    • Patent number 8,057,650
    • Issue date Nov 15, 2011
    • Sanyo Special Steel Co., Ltd.
    • Ryoji Hayashi
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Process for producing steel products having improved grain size pro...
    • Patent number 7,081,174
    • Issue date Jul 25, 2006
    • Sanyo Special Steel Co., Ltd.
    • Ryoji Hayashi
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Bearing steel
    • Patent number 5,788,923
    • Issue date Aug 4, 1998
    • Sanyo Special Steel Co., Ltd.
    • Ryoji Hayashi
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents