Patents Assigned to Tomokazu Suzuki
  • Patent number: 4497826
    Abstract: An antiparkinsonian agent comprising DL- or L-threo-3,4-dihydroxyphenylserine and a decarboxylase inhibitor (e.g. carbidopa and benserazide), which is useful for the treatment of parkinson's disease, particularly treatment of the freezing phenomenon which has not previously been cured by the conventional antiparkinsonian drugs such as L-DOPA.
    Type: Grant
    Filed: September 8, 1982
    Date of Patent: February 5, 1985
    Assignees: Sumitomo Chemical Company, Limited, Hirotaro Narabayashi, Tomoyoshi Kondo, Akira Hayashi, Tomokazu Suzuki
    Inventors: Hirotaro Narabayashi, Tomoyoshi Kondo, Akira Hayashi, Tomokazu Suzuki
  • Patent number: 4330558
    Abstract: A method for treating peripheral orthostatic hypotension which comprises administering DL- or L-threo-3,4-dihydroxyphenylserine or a pharmaceutically acceptable acid addition salt thereof to a subject suffering from the disease. The composition may be administered either orally or parenterally.
    Type: Grant
    Filed: July 30, 1980
    Date of Patent: May 18, 1982
    Assignees: Sumitomo Chemical Company, Limited, Tomokazu Suzuki, Akira Hayashi, Yuichi Yamamura
    Inventors: Tomokazu Suzuki, Akira Hayashi, Yuichi Yamamura