Patents by Inventor Takemi Suzuki

Takemi Suzuki 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 hot working continuous-cast bloom and steel ingot
    Patent number: 5493766
    Abstract: A process for hot working a continuous-cast bloom or a steel ingot, the process comprising the steps of: (1) cooling a bloom produced by continuous casting or a steel ingot produced with a mold to bring the surface temperature thereof to 50.degree. to 150.degree. C. higher than the Ar.sub.3 transformation point thereof; (2) quenching the bloom or the steel ingot in such a way that its interior remains red hot while the surface is transformed to have a bainite structure; and (3) heating the bloom or the steel ingot in a furnace followed by hot shaping.
    Type: Grant
    Filed: September 9, 1993
    Date of Patent: February 27, 1996
    Assignee: Aichi Steel Works, Ltd.
    Inventors: Shin-ichiro Yamakawa, Takeshi Hanada, Toshiyuki Tsuge, Kenichi Takakura, Masahiro Takeda, Kenzo Yamaguchi, Takemi Suzuki