Patents by Inventor Kenichi Yaginuma

Kenichi Yaginuma 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 the preparation of pellets
    Patent number: 4549904
    Abstract: A process for the preparation of pellets is disclosed which comprises mixing an iron ore raw material with a pitch material having a softening point of 30.degree. to 300.degree. C. in an amount in the range of 0.5 to 5% by weight of the iron ore raw material, molding the mixture, and heating the molded material under a reducing atmosphere to remove arsenic contained therein.
    Type: Grant
    Filed: June 7, 1982
    Date of Patent: October 29, 1985
    Assignee: Toyo Engineering Corporation
    Inventors: Saburo Matsumiya, Katsuya Uehara, Keiji Saito, Hideyuki Michiki, Kenichi Yaginuma