Patents by Inventor Eisuke Tohmata

Eisuke Tohmata 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).

  • Cold rolling oil for steel sheet
    Patent number: 4585564
    Abstract: In this invention provided are cold rolling oils for steel sheets which are applied for cold rolling of steel sheets and have excellent lubricity, lubrication stability, and fresh oil replenishing property.
    Type: Grant
    Filed: June 15, 1984
    Date of Patent: April 29, 1986
    Assignee: Nippon Kokan Kabushiki Kaisha
    Inventors: Eisuke Tohmata, Ryoichiro Takahashi, Sakae Sonoda, Shoji Okamoto, Osamu Furuyama