Patents by Inventor Toshio Komiya

Toshio Komiya 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).

  • Substituted 7[s-oxopyrido[2,3-d]pyrimidine carboxamido acetamido]cephalosporins
    Patent number: 4201781
    Abstract: Cephalosporin compounds of the formula ##STR1## wherein R is 1-carboxymethyl-1,2,3,4-tetrazol-5-yl or 5-carboxymethyl-1,3,4-thiadiazol-2-yl,and non-toxic pharmaceutically acceptable salts thereof, and processes for preparing them. The compounds have superior antibacterial activity and excellent solubility in an aqueous medium, and are useful as antibacterial agent.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: May 6, 1980
    Assignee: Dainippon Pharmaceutical Co., Ltd.
    Inventors: Masatsugu Tomita, Yoshiyuki Takase, Toshio Komiya