Patents by Inventor Yoshitsugu Sakagami

Yoshitsugu Sakagami 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: 5223230
    Abstract: A component for deodorizing air or gas having a coexist compound as a deodorizing element, said coexist compound comprising a metal and a reaction product of the metal and an acid, wherein the metal is selected from at least one of Fe, Mn, Cr, Ni, Zn, Al and Cu, and the acid is selected from at least one of ascorbic acid, gluconic acid, citric acid, tartaric acid, tannic acid, gallic acid, EDTA and malic acid, wherein clean air or gas is passed through the deodorizing element to restore its deodorizing effect after a period of time sufficient for the deodorizing element to lose its deodorizing power.
    Type: Grant
    Filed: February 25, 1991
    Date of Patent: June 29, 1993
    Assignees: Nippon Steel Corporation, Matsushita Electric Works, Ltd.
    Inventors: Yozo Takemura, Tamio Noda, Yoshitsugu Sakagami, Tadashi Morita