Patents by Inventor Dayao Zhao

Dayao Zhao 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: 7759355
    Abstract: The present invention provides methods of treating restless legs syndrome or related disorders, comprising administering an effective amount of at least one adenosine A2A receptor antagonist to a patient in need thereof. More preferably the adenosine A2A receptor antagonist is a xanthine derivative or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: August 27, 2003
    Date of Patent: July 20, 2010
    Assignee: Kyowa Hakko Kirin Co., Ltd.
    Inventors: Hiroshi Kase, Naoki Seno, Akihisa Mori, Dayao Zhao
  • Publication number: 20050245545
    Abstract: The present invention provides methods of treating restless legs syndrome or related disorders, comprising administering an effective amount of at least one adenosine A2A receptor antagonist to a patient in need thereof. More preferably the adenosine A2A receptor antagonist is a xanthine derivative or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: August 27, 2003
    Publication date: November 3, 2005
    Applicant: Kyowa Hakko Kogyo Co., Ltd
    Inventors: Hiroshi Kase, Naoki Seno, Akihisa Mori, Dayao Zhao