Patents by Inventor Tetsunari Takahashi

Tetsunari Takahashi 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).

  • Bactericides
    Patent number: 6352727
    Abstract: An object of the present invention is to provide a bactericide (and a fungicide) that is highly safe and has strong bactericidal power even when used in low concentration, and that can be used repeatedly in a sterilizing process. The object can be achieved by the bactericide (or the fungicide) comprising a polar solvent extract of leaves of eucalyptus plants and chitosan. The polar solvent is preferably chosen from the group consisting of lower alcohols and glycols.
    Type: Grant
    Filed: September 11, 2000
    Date of Patent: March 5, 2002
    Assignees: Oji Paper Co., Ltd., Eishogen Co., Ltd.
    Inventor: Tetsunari Takahashi