Patents by Inventor Takamasa Yamamura

Takamasa Yamamura 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 production of coil of hot rolled strip of austenitic stainless steel
    Patent number: 4360391
    Abstract: A process for producing a coil of a hot rolled austenitic steel strip wherein a hot bar of austenitic stainless steel is hot rolled to a strip by multiple pass rolling with a total rolling reduction and finishing temperature controlled within the hatched area of FIG. 1; and wherein the hot rolled strip is allowed to cool in air for 3 to 10 seconds, cooled with water and then coiled at 400.degree. to 600.degree. C. The product has recrystallization substantially completed and sensitization prevented, and therefore, need not be annealed before it is subjected to a pickling process.
    Type: Grant
    Filed: May 22, 1981
    Date of Patent: November 23, 1982
    Assignee: Nisshin Steel Co., Ltd.
    Inventors: Takamasa Yamamura, Seiji Mori, Koichi Asada, Kenichi Shinoda, Yuichi Higo