Patents by Inventor Kouichi Ohhama

Kouichi Ohhama 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).

  • Antibacterial substance
    Patent number: 5730995
    Abstract: An antibacterial substance, and more particularly, an antibacterial substance which displays antibacterial, anti-mold, and deodorizing effects when added to resins, paints, textile fibers and cosmetics.
    Type: Grant
    Filed: October 2, 1995
    Date of Patent: March 24, 1998
    Assignee: Catalysts & Chemicals Industries Co., Ltd.
    Inventors: Katsuhiro Shirono, Atsushi Tanaka, Kouichi Ohhama