Patents by Inventor Hirotaka Kashiwagi

Hirotaka Kashiwagi 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).

  • Process for the synthesis of vitamin d compounds and intermediates for the synthesis of the compounds
    Publication number: 20070135394
    Abstract: An object of the present invention is to provide a process for synthesizing a vitamin D compound by simple procedures at lower costs. The present invention provides a process for preparing a vitamin D compound and an intermediate thereof, comprising the step of: (a) mixing a ketone or aldehyde, a Wittig reagent, and a base; or (b) mixing a ketone or aldehyde and a Wittig reagent, and then adding a base to the resulting mixture.
    Type: Application
    Filed: February 3, 2005
    Publication date: June 14, 2007
    Applicant: CHUGAI SEIYAKU KABUSHIKI KAISHA
    Inventors: Hirotaka Kashiwagi, Yoshiyuki Ono
  • Coumarin derivatives useful as TNF? inhibitors
    Patent number: 7026491
    Abstract: Novel compounds composition capable of inhibiting TNF? and having antiimmunoinflammatory and autoimmune properties useful in a pharmaceutical composition, such as for a drug containing this as an active ingredient; and a therapeutic method with the use of these novel compounds.
    Type: Grant
    Filed: July 19, 2001
    Date of Patent: April 11, 2006
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Jie Fei Cheng, Hirotaka Kashiwagi, Thomas Arrhenius, David Wallace, Mi Chen, Sovouthy Tith, Yoshiyuki Ono, Yoshiaki Watanabe
  • Bisphenyl compounds useful as vitamin D3 receptor agonists
    Publication number: 20060025474
    Abstract: The present invention discloses bisphenyl compounds of the formula: wherein R1, R2, R3, R4, R5, R6, X, Y, W are defined herein after. These compounds are useful as pharmaceuticals.
    Type: Application
    Filed: March 8, 2005
    Publication date: February 2, 2006
    Inventors: David Wallace, Thomas Arrhenius, Anna Russell, Dingguo Liu, Amy Xing, Sovouthy Tith, Zheng Hou, Tadakatsu Takahashi, Yoshiyuki Ono, Hirotaka Kashiwagi, Kazuki Shimizu, Hitoshi Ikura
  • Coumarin derivatives useful as TNFalpha inhibitors
    Publication number: 20060020138
    Abstract: Novel compounds composition capable of inhibiting TNF? and having anti immunoinflammatory and autoimmune properties useful in a pharmaceutical composition, such as for a drug containing this as an active ingredient; and a therapeutic method with the use of these novel compounds.
    Type: Application
    Filed: September 13, 2005
    Publication date: January 26, 2006
    Inventors: Jie Cheng, Thomas Arrhenius, David Wallace, Mi Chen, Sovouthy Tith, Hirotaka Kashiwagi, Yoshiyuki Ono, Yoshiaki Watanabe
  • Pharmaceutical preparations for treatment of type II diabetes and methods for treatment of type II diabetes
    Publication number: 20040063780
    Abstract: Pharmaceutical preparations for type II diabetes comprising as active ingredients thereof biguanide derivatives represented by the following general formula (1): 1
    Type: Application
    Filed: October 31, 2002
    Publication date: April 1, 2004
    Applicant: CHUGAI SEIYAKU KABUSHIKI KAISHA
    Inventors: Hiroharu Matsuoka, Naoki Taka, Hirotaka Kashiwagi, Kazuharu Ozawa