Patents Assigned to Zeria Pharmaceutical Co
  • Preventive and therapeutic agent against liver disorder
    Patent number: 4927817
    Abstract: A new preventive and therapeutic agent given by oral administration containing carnosine zinc salt as the effective component and, effective against alcoholic liver disorder, viral hepatitis or liver disorders caused by drugs, toxicants, radiation, etc.
    Type: Grant
    Filed: December 27, 1988
    Date of Patent: May 22, 1990
    Assignees: Zeria Pharmaceutical Co., Ltd., Hamari Chemicals, Ltd.
    Inventors: Tetsuya Inagaki, Eijiro Tagashira, Masahiro Takaya, Yasuhiro Nishimura
  • Amino acid imide derivatives, usage thereof, and medicinal composition containing the same
    Patent number: 4916146
    Abstract: Novel N-substituted amino acid imide derivatives are disclosed. The compounds are represented by formula (I): ##STR1## wherein n represents an integer of 0 to 5, and X and Y, which may be the same or different, represent a methylene group or a sulfur atom, provided that not both X and Y are methylene groups at the same time. The compounds are useful as a medicine for treating or preventing cerebral circulation disorder, cerebral metabolism disorder, or memory disturbance.
    Type: Grant
    Filed: December 22, 1988
    Date of Patent: April 10, 1990
    Assignee: Zeria Pharmaceutical Co., Ltd.
    Inventors: Yoshiaki Tanaka, Tomoji Aotsuka, Naomi Kobayashi, Naoki Nakata, Kuniyoshi Ogura, Motoki Torizuka, Naoyoshi Miura, Heihachiro Arai