Patents by Inventor Takeshi Uzuo

Takeshi Uzuo 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).

  • Phenothiazine derivatives and anti-psychotic drugs containing the same
    Patent number: 4514395
    Abstract: New phenothiazine derivatives having the general formula: ##STR1## wherein R represents a straight or branched alkyl group or alkenyl group having 5-15 carbon atoms, their acid addition salts and anti-psychotic drugs containing such new compounds.
    Type: Grant
    Filed: February 20, 1980
    Date of Patent: April 30, 1985
    Assignee: Eisai Ci., Ltd.
    Inventors: Noriyasu Hirose, Shizuo Kuriyama, Kiyomi Yamatsu, Akifumi Kitahara, Takeshi Uzuo
  • Theobromine derivatives
    Patent number: 4493837
    Abstract: There are disclosed theobromine derivatives wherein theobromine is substituted at the 1 position with substituted piperazino, homopiperazino and piperidino groups, and pharmacologically acceptable acid addition salts thereof. The compounds exhibit vasodilating and psychotropic and analgesic activities.
    Type: Grant
    Filed: October 20, 1982
    Date of Patent: January 15, 1985
    Assignee: Eisai Co., Ltd.
    Inventors: Hachiro Sugimoto, Sachiyuki Hamano, Tadao Shoji, Takeru Kaneko, Takeshi Uzuo