Patents by Inventor Kiyomi Shimonuri

Kiyomi Shimonuri 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: 4024079
    Abstract: A catalyst is prepared by firstly impregnating a carrier with a solution of a catalytically active metal compound and a sulfur compound and thereafter treating the impregnated carrier in a stream of high temperature steam.
    Type: Grant
    Filed: January 29, 1976
    Date of Patent: May 17, 1977
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Toshiki Okuyama, Sakae Kawagoshi, Tadashi Ikemi, Kiyomi Shimonuri