Patents by Inventor Takahiro Mitumune

Takahiro Mitumune 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).

  • Mold powder for continuous casting
    Patent number: 5356454
    Abstract: A mold powder for use in continuous casting, containing specified amounts of CaO, Al.sub.2 O.sub.3, TiO.sub.2, Li.sub.2 O, BaO, MgO, F and Na.sub.2 O, and further containing at least one of BN and C as aggregate. The mold powder, when used in continuous casting of a steel rich in strong reducing metal elements such as Al, Ti, REM and so forth, remarkably suppresses generation of deterioration in the surface quality of the slab and break out of the slab which are attributable inferior lubrication.
    Type: Grant
    Filed: July 28, 1993
    Date of Patent: October 18, 1994
    Assignee: Kawasaki Steel Corporation
    Inventors: Seiji Itoyama, Hidenari Kitaoka, Toshikazu Sakuraya, Kenichi Sorimachi, Saburo Moriwaki, Sumio Yamada, Chikashi Tada, Takahiro Mitumune, Shinichi Kaneko, Masafumi Maeda