Patents by Inventor Tetsuzo Kato

Tetsuzo Kato 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 and composition for treating arteriosclerosis
    Patent number: 4788200
    Abstract: A medicament for curing arteriosclerosis which comprises pyrimido [2,1-b] benzothiazole derivative.
    Type: Grant
    Filed: August 27, 1987
    Date of Patent: November 29, 1988
    Assignee: MECT Corporation
    Inventors: Ryuji Niwa, Nobuya Katagiri, Tetsuzo Kato, Yoshiyasu Shitori, Jiro Horiuchi
  • Cyclic pyrazolo C-nucleoside compound and process for preparing the same
    Patent number: 4656260
    Abstract: A novel compound, 3-(.beta.-D-ribofranosyl)pyrazolo-[3,4-e] [1,3]oxazine-5,7-dione, exhibiting a function of inhibiting propagation or growth of various virus, and a process for preparing the same.
    Type: Grant
    Filed: December 27, 1984
    Date of Patent: April 7, 1987
    Assignee: Kanto Ishi Pharmaceutical Co., Ltd.
    Inventors: Tetsuzo Kato, Nobuya Katagiri