Patents by Inventor Ryoko Dean

Ryoko Dean 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).

  • Patent number: 7157594
    Abstract: An antidepressant comprising, as an active ingredient, a compound having an antagonistic effect on group II metabotropic glutamate receptors, as well as a 2-amino-3-alkoxy-6-fluoro-bicyclo[3.1.0]hexane-2,6-dicarboxylic acid derivative of Formula [I]: [wherein R1 and R2, which may be the same or different, each represent a hydroxyl group, a C1-10 alkoxy group, etc.; R3 represents a C1-10 acyl group, a C1-6 alkoxy-C1-6 acyl group, etc.; and R4 and R5, which may be the same or different, each represent a hydrogen atom, a C1-10 alkyl group, etc.] or a pharmaceutically acceptable salt or hydrate thereof.
    Type: Grant
    Filed: December 26, 2002
    Date of Patent: January 2, 2007
    Assignee: Taisho Pharmaceutical Co., Ltd.
    Inventors: Atsuro Nakazato, Shigeyuki Chaki, Kazunari Sakagami, Ryoko Dean, Hiroshi Ohta, Shiho Hirota, Akito Yasuhara
  • Publication number: 20050119345
    Abstract: An antidepressant comprising, as an active ingredient, a compound having an antagonistic effect on group II metabotropic glutamate receptors, as well as a 2-amino-3-alkoxy-6-fluoro-bicyclo[3.1.0]hexane-2,6-dicarboxylic acid derivative of Formula [I]: [wherein R1 and R2, which may be the same or different, each represent a hydroxyl group, a C1-10 alkoxy group, etc.; R3 represents a C1-10 acyl group, a C1-6 alkoxy-C1-6 acyl group, etc.; and R4 and R5, which may be the same or different, each represent a hydrogen atom, a C1-10 alkyl group, etc.] or a pharmaceutically acceptable salt or hydrate thereof.
    Type: Application
    Filed: December 26, 2002
    Publication date: June 2, 2005
    Inventors: Atsuro Nakazato, Shigeyuki Chaki, Kazunari Sakagami, Ryoko Dean, Hiroshi Ohta, Shiho Hirota, Akito Yasuhara