Patents by Inventor Tomoyoshi Kondo

Tomoyoshi Kondo 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).

  • Antiparkinsonian agent
    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