Patents by Inventor Aturo Nakazato

Aturo Nakazato 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).

  • 1,4-Dihydropyridine derivatives and use as vasodilators
    Patent number: 4472411
    Abstract: The compounds of the formula ##STR1## wherein R is alkyl having 1 to 4 carbon atoms or nitratoalkyl having 2 or 3 carbon atoms, and R' is nitratoalkyl having 2 or 3 carbon atoms, are disclosed. These compounds are useful as therapeutic agents for cardiovascular disorders such as coronary artery disease, cerebral artery disease, hypertension and the like.
    Type: Grant
    Filed: April 19, 1983
    Date of Patent: September 18, 1984
    Assignee: Taisho Pharmaceutical Co., Ltd.
    Inventors: Katsuo Hatayama, Aturo Nakazato, Toshihisa Ogawa, Shoichi Ito, Jiro Sawada