Patents by Inventor Yoshimitsu Yoshida

Yoshimitsu Yoshida 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 additives for use in continuous casting
    Patent number: 4508571
    Abstract: A mold additive for use in the continuous casting is disclosed, which comprises a base material for slag having a chemical composition of CaO--SiO.sub.2 --Al.sub.2 O.sub.3 system, a flux and a carbonaceous aggregate. The mold additive contains 0.5-2.0% by weight of carbon black and 1-4% by weight of activated carbon with an average particle size of not more than 10 .mu.m as the carbonaceous aggregate, and has a bulk density of not more than 0.9 g/cm.sup.3.
    Type: Grant
    Filed: March 19, 1984
    Date of Patent: April 2, 1985
    Assignees: Kawasaki Steel Corporation, Sakai Chemical Industry Co., Ltd
    Inventors: Hakaru Nakato, Toshikazu Sakuraya, Yasuhiro Habu, Toshihiko Emi, Masanori Kodama, Takao Koshikawa, Yoshimitsu Yoshida, Fumitaka Shimokawa