Patents by Inventor Tomoki Nishioka

Tomoki Nishioka 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).

  • Paroxetine derivative
    Patent number: 8933100
    Abstract: A compound represented by Formula (1), or a pharmacologically acceptable salt thereof retains the principal therapeutic effect of paroxetine and has an improved CYP inhibitory effect: wherein R1 is a hydrogen atom or C1-6 alkyl group.
    Type: Grant
    Filed: January 29, 2013
    Date of Patent: January 13, 2015
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Keigo Tanaka, Tomoki Nishioka
  • Sitaxentan derivative
    Patent number: 8592470
    Abstract: A compound represented by formula (1-1) or (1-2), or a pharmacologically acceptable salt thereof retains the principal therapeutic effect of sitaxentan and has an improved CYP inhibitory effect: wherein R1 is a halogen atom, etc., R2 is a methyl group, etc., R3 is a C1-6 alkyl group, etc., and M is a group represented by: etc.
    Type: Grant
    Filed: January 29, 2013
    Date of Patent: November 26, 2013
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Keigo Tanaka, Tomoki Nishioka