Patents by Inventor Kei-ichiro Haga

Kei-ichiro Haga 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).

  • Thienylthiazole compounds
    Patent number: 4720493
    Abstract: Thienylthiazole compounds of the formula: ##STR1## and pharmaceutically acceptable acid addition salts thereof, wherein: R is amino, guanidino, alkylamino, alkenylamino, unsubstituted or optionally substituted phenylamino or acylamino;A is amino, alkylamino, cyclic amino, alkanoylamino, a group of the formula: ##STR2## wherein each symbol is as defined in claim 1; Z is hydrogen or halogen; andm is 0 or 1 to 4,are useful in the treatment of peptic ulcer, acute or chronic gastritis, acute damage of gastric mucous membrane, dimentia and anxiety.
    Type: Grant
    Filed: November 20, 1985
    Date of Patent: January 19, 1988
    Assignee: Yoshitomi Pharmaceutical Industries, Ltd.
    Inventors: Takeshi Kawakita, Mitsuharu Sano, Mitsuyoshi Yasumoto, Kunio Ohsuga, Kei-ichiro Haga