Patents by Inventor Osamu Yonemochi

Osamu Yonemochi 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).

  • Method of treating a cast iron member prior to joining to another member
    Patent number: 4561484
    Abstract: A method of welding, soldering or fusing a cast iron member to another member of cast iron or other metal, wherein the cast iron member is dipped in a hot concentrated aqueous solution of chromic acid, and washed with water before it is joined to the other member.
    Type: Grant
    Filed: November 21, 1983
    Date of Patent: December 31, 1985
    Assignee: Usui Kokusai Sangyo Kabushiki Kaiska
    Inventors: Masayoshi Usui, Osamu Yonemochi