Patents by Inventor Senri Hara

Senri Hara 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).

  • Molds for continuously casting steel
    Patent number: 4538667
    Abstract: A mold of copper or copper alloy for continuously casting steel comprises a rough inner surface, a plating of nickel, cobalt or alloy thereof formed over the inner surface and a chromium plating formed over said plating. The mold has a prolonged mold life, gives steel slabs with improved qualities and reduces amounts of lubricating material used in the molding operation.
    Type: Grant
    Filed: September 7, 1984
    Date of Patent: September 3, 1985
    Assignees: Sumitomo Metal Industries, Ltd., Satosen Co., Ltd.
    Inventors: Senri Hara, Hiroshi Tomono, Tomohiko Kimura, Kunio Inoue, Takayuki Sato, Yoshio Okada
  • Molds for continuously casting steel
    Patent number: 4037646
    Abstract: A copper or copper alloy mold for continuously casting steel is characterized in that the mold has a first layer formed on its interior surface and comprising at least one of nickel and cobalt and a second layer formed on the first layer and containing at least one of nickel and cobalt as a main component and at least one of phosphorus and boron.
    Type: Grant
    Filed: June 4, 1976
    Date of Patent: July 26, 1977
    Assignees: Sumitomo Metal Industries, Ltd., Satosen Company Limited
    Inventors: Senri Hara, Tomohiko Kimura, Hiroshi Tomono, Takayuki Sato