Patents by Inventor Shoichi Ito

Shoichi Ito 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
  • Esters of the carboxylic acid
    Patent number: 4420631
    Abstract: A novel carboxylic acid ester having the following general formula ##STR1## wherein R is alkoxyalkyl having 2 to 6 carbon atoms, cycloalkyl having 5 or 6 carbon atoms, tetrahydrofurfuryl, or alkyl having 1 to 6 carbon atoms optionally substituted with 1 or 2 hydroxyl groups, is a useful anti-inflammatory and analgesic agent.
    Type: Grant
    Filed: May 19, 1982
    Date of Patent: December 13, 1983
    Assignee: Taisho Pharmaceutical Co., Ltd.
    Inventors: Takehiro Amano, Toshihisa Ogawa, Kensei Yoshikawa, Yoshinori Shiobara, Tatsuhiko Sano, Yutaka Ohuchi, Tohru Tanami, Shoichi Ito, Jiro Sawada