Patents by Inventor Masahiko Yoshino

Masahiko Yoshino 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: 4938049
    Abstract: The present invention relates to a warm rolling method for high Si steel strips, in which the steel strip is connected at both ends with leader strips which are excellent in cold or warm workability, and the ends of the leader strips are connected to tension reels for undertaking warm rolling on the steel strip. Whereby the leader strips are passed through rolls, the rolls can be preheated, and further whereby the both tension reels are disposed within warming furnaces and at least one of the leader strips is made longer than a distance between the tension reels, recovery treatment between passes can be carried out on the steel strip in the full length.
    Type: Grant
    Filed: December 20, 1988
    Date of Patent: July 3, 1990
    Assignee: Nippon Kokan Kabushiki Kaisha
    Inventors: Sadakazu Masuda, Fumio Fujita, Tadayoshi Murakami, Masahiko Yoshino, Ryuichi Yagi, Masamoto Kamata