Patents by Inventor Kenichi Tokita

Kenichi Tokita 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).

  • Publication number: 20060074091
    Abstract: The invention is to provide an antidementic and/or antiamnesic potency enhancer that comprises an aminopiperazine or aminopiperidine derivative of a formula: (wherein R1 is a lower alkyl, etc.; R2 is hydrogen, etc.; R3 is an aryl, etc.; A is —CO—, etc.; X is N or CH; Y is —CO—, etc.), for attaining higher antidementic and/or antiamnesic potency.
    Type: Application
    Filed: November 23, 2005
    Publication date: April 6, 2006
    Applicant: Astellas Pharma Inc.
    Inventors: Nobuya Matsuoka, Kenichi Tokita
  • Publication number: 20040029894
    Abstract: The invention is to provide an antidementic and/or antiamnesic potency enhancer that comprises an aminopiperazine or aminopiperidine derivative of a formula: 1
    Type: Application
    Filed: June 5, 2003
    Publication date: February 12, 2004
    Inventors: Nobuya Matsuoka, Kenichi Tokita