Patents by Inventor Ayako Tosaka

Ayako Tosaka 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).

  • 2-oxochromene derivatives
    Patent number: 7919509
    Abstract: To provide a novel LXR? agonist that is useful as a preventative and/or therapeutic agent for atherosclerosis; arteriosclerosis such as those resulting from diabetes; dyslipidemia; hypercholesterolemia; lipid-related diseases; inflammatory diseases that are caused by inflammatory cytokines; skin diseases such as allergic skin diseases; diabetes; or Alzheimer's disease. [Solving Means] A 2-oxochromene derivative represented by the following general formula (1) or salt thereof, or their solvate.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: April 5, 2011
    Assignee: Kowa Company, Ltd.
    Inventors: Ayumu Okuda, Takayuki Matsuda, Toru Miura, Hidefumi Ozawa, Ayako Tosaka, Koichi Yamazaki, Yuki Yamaguchi, Sayaka Kurobuchi, Yuichiro Watanabe, Kimiyuki Shibuya
  • 2-OXOCHROMENE DERIVATIVES
    Publication number: 20090286780
    Abstract: To provide a novel LXR? agonist that is useful as a preventative and/or therapeutic agent for atherosclerosis; arteriosclerosis such as those resulting from diabetes; dyslipidemia; hypercholesterolemia; lipid-related diseases; inflammatory diseases that are caused by inflammatory cytokines; skin diseases such as allergic skin diseases; diabetes; or Alzheimer's disease. [Solving Means] A 2-oxochromene derivative represented by the following general formula (1) or salt thereof, or their solvate.
    Type: Application
    Filed: February 27, 2009
    Publication date: November 19, 2009
    Applicant: KOWA COMPANY, LTD.
    Inventors: Ayumu OKUDA, Takayuki MATSUDA, Toru MIURA, Hidefumi OZAWA, Ayako TOSAKA, Koichi YAMAZAKI, Yuki YAMAGUCHI, Sayaka KUROBUCHI, Yuuichirou WATANABE, Kimiyuki SHIBUYA
  • Method for producing cyclic diamine derivative
    Patent number: 7576203
    Abstract: The present invention provides an industrially useful method for synthesizing a cyclic diamine derivative (4) or a salt thereof which serves as an ACAT inhibitor. A 2-hydroxyacetylaminopyridine compound represented by formula (1), and a method for producing a cyclic diamine derivative represented by formula (4) or a salt thereof from compound (1) through 1) Step A-1, 2) Steps B-1 and B-2, or 3) Steps B-1, B-3, and B-4.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: August 18, 2009
    Assignee: Kowa Co., Ltd.
    Inventors: Kimiyuki Shibuya, Ayako Tosaka
  • Method for Producing Cyclic Diamine Derivative
    Publication number: 20080045714
    Abstract: The present invention provides an industrially useful method for synthesizing a cyclic diamine derivative (4) or a salt thereof which serves as an ACAT inhibitor. A 2-hydroxyacetylaminopyridine compound represented by formula (1), and a method for producing a cyclic diamine derivative represented by formula (4) or a salt thereof from compound (1) through 1) Step A-1, 2) Steps B-1 and B-2, or 3) Steps B-1, B-3, and B-4.
    Type: Application
    Filed: June 30, 2005
    Publication date: February 21, 2008
    Applicants: Kowa Co., Ltd
    Inventors: Kimiyuki Shibuya, Ayako Tosaka