Patents by Inventor Shizuo Kozasa

Shizuo Kozasa 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).

  • Antiallergic and antiinflammatory benzothiazolinone derivatives
    Patent number: 4879301
    Abstract: Benzothiazolone Derivatives represented by the formula: ##STR1## in which X is halogen, A is alkylene and R is alkoxy, amino, substituted amino, carboxyalkyl or carboxyalkylene, which are useful as antiallergic or antiinflammatory agents.
    Type: Grant
    Filed: April 26, 1988
    Date of Patent: November 7, 1989
    Assignees: Hoei Pharmaceutical Co., Ltd., Research Institute for Production Developement
    Inventors: Suminori Umio, Shizuo Kozasa, Takahiro Yabuuchi