Patents by Inventor Tatsuichi Matsuda

Tatsuichi Matsuda 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).

  • Patent number: 4132789
    Abstract: Novel cephalosporins shown by the general formula: ##STR1## wherein Y is an acyloxy group, a quaternary ammonium group or a group of the formula: --S--R in which R is a nitrogen-containing heterocyclic group, and pharmaceutically acceptable salts thereof have high antibacterial properties against Gram-positive and Gram-negative bacteria including Pseudomonas aeruginosa and Serratia marcescens.
    Type: Grant
    Filed: August 18, 1976
    Date of Patent: January 2, 1979
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hiroaki Nomura, Takenori Hitaka, Hiroshi Akimoto, Isao Minami, Fumio Kiriki, Tatsuichi Matsuda, Takeshi Fugono