Patents by Inventor Yoshio Saito

Yoshio Saito 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).

  • Method for levelling a metal strip or sheet
    Patent number: 4057989
    Abstract: A method for levelling a metal strip or sheet in which the metal strip or sheet is subjected to repeated bending by means of a roll arrangement of two or more rolls having a diameter of at least 600 times the thickness of the metal while cooling the metal strip or sheet from at least about 210.degree. C to about 50.degree. C at a cooling rate not lower than a critical cooling rate C as defined by the following formula but not higher than 200.degree. C/sec.
    Type: Grant
    Filed: August 9, 1976
    Date of Patent: November 15, 1977
    Assignee: Nippon Steel Corporation
    Inventors: Hiroshi Takechi, Mitsunobu Abe, Ryoseki Katsutani, Yoshio Saito