Patents by Inventor Yoshiharu Kamimura

Yoshiharu Kamimura 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).

  • Rust-proof lubricant compositions
    Patent number: 4113635
    Abstract: Rust-proof lubricant compositions for coating metals comprising mono, di- or tri-partial esters synthesized from pentaerythritol and fatty acids having more than 6 carbon atoms including the corresponding isomers, or a mixutre thereof as chief constituents.
    Type: Grant
    Filed: July 30, 1976
    Date of Patent: September 12, 1978
    Assignee: Nippon Steel Corporation
    Inventors: Toshio Sakurai, Shoji Shimada, Yoshiharu Kamimura