Patents by Inventor Tatsuya Hokimoto

Tatsuya Hokimoto 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).

  • Patent number: 5896770
    Abstract: A rolling method, and an apparatus therefor, capable of improving a fundamental unit of rolling rolls, dimensional accuracy and rolling stability, and having high productivity are described. The rolling method, and the apparatus therefor, reverse roll a to-be-rolled material having a dog bone-like shape and rough rolled by a single or plurality of breakdown mills BD, etc, by using an intermediate universal mill UR for carrying out X-shape rolling, a quick shift edger mill QE having a plurality of box calibers having different sizes, for carrying out edging rolling by quickly shifting one of the box calibers corresponding to a pass schedule, and a finish universal mill UF for carrying out H-shape rolling for raising flanges on both sides.
    Type: Grant
    Filed: August 12, 1997
    Date of Patent: April 27, 1999
    Assignee: Nippon Steel Corporation
    Inventors: Takeshi Hioki, Suefusa Shimizu, Tatsuya Hokimoto