Patents by Inventor Tadao Hishinuma

Tadao Hishinuma has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for producing shape strips of metals
    Patent number: 5174363
    Abstract: Molten metal is poured into a mold having an inside cross section with varied thicknesses along the direction of the width thereof. The molten metal is allowed to solidify in the mold and the cast strip is withdrawn from the mold either continuously or intermittently. The as-cast strip is rolled at either identical or similar thickness reduction ratios in the direction of width of the strip. This process enables the production of high quality shape strips free from any substantial working deformation in the workpiece.
    Type: Grant
    Filed: April 22, 1991
    Date of Patent: December 29, 1992
    Assignee: Dowa Mining Co., Ltd.
    Inventors: Masahiro Furo, Hitoshi Endou, Tadao Hishinuma