Patents by Inventor Nobuo Mitsumori

Nobuo Mitsumori 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 silver impregnated activated carbon
    Patent number: 4045553
    Abstract: The known sterilization and purification properties of activated carbon which is impregnated with silver are restored by treating spent silver impregnated activated carbon with steam.
    Type: Grant
    Filed: February 26, 1975
    Date of Patent: August 30, 1977
    Assignee: Nippon Shinyaku Company, Limited
    Inventors: Nobuo Mitsumori, Chikahiro Takeda, Hideichi Miyasako