Patents by Inventor Shinichi Soyama

Shinichi Soyama 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).

  • Patent number: 4482447
    Abstract: Nonaqueous suspension for electrophoretic deposition of powders is disclosed which includes suspension consisting of ketonic solvent, nitrocellulose dissolved therein and powders suspended therein, strong acid, and strong base. In this case, the strong acid and the strong base both are added to the suspension such that conductivity of the suspension becomes 1 to 30 .mu. /cm.
    Type: Grant
    Filed: September 13, 1983
    Date of Patent: November 13, 1984
    Assignee: Sony Corporation
    Inventors: Jin Mizuguchi, Koichiro Sumi, Tsuneo Muchi, Shinichi Soyama