Patents by Inventor Masako Kurokawa

Masako Kurokawa 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).

  • Therapeutic agent for migraine
    Patent number: 9254283
    Abstract: Provided are therapeutic and/or preventive agents for migraine which comprise, as an active ingredient, a compound having a selective adenosine A2A receptor antagonistic activity or a pharmaceutically acceptable salt thereof; therapeutic and/or preventive agents for migraine which comprise, as an active ingredient, a compound having a selective adenosine A2A receptor antagonistic activity, which has an affinity for the adenosine A2A receptor 10 times or higher than that for the adenosine A1 receptor, or a pharmaceutically acceptable salt thereof; and the like.
    Type: Grant
    Filed: July 23, 2009
    Date of Patent: February 9, 2016
    Assignee: KYOWA HAKKO KIRIN CO., LTD.
    Inventors: Junichi Ikeda, Shunji Ichikawa, Masako Kurokawa, Tomoyuki Kanda
  • THERAPEUTIC AGENT FOR MIGRAINE
    Publication number: 20110183992
    Abstract: Provided are therapeutic and/or preventive agents for migraine which comprise, as an active ingredient, a compound having a selective adenosine A2A receptor antagonistic activity or a pharmaceutically acceptable salt thereof; therapeutic and/or preventive agents for migraine which comprise, as an active ingredient, a compound having a selective adenosine A2A receptor antagonistic activity, which has an affinity for the adenosine A2A receptor 10 times or higher than that for the adenosine A1 receptor, or a pharmaceutically acceptable salt thereof; and the like.
    Type: Application
    Filed: July 23, 2009
    Publication date: July 28, 2011
    Applicant: KYOWA HAKKO KIRIN CO., LTD.
    Inventors: Junichi Ikeda, Shunji Ichikawa, Masako Kurokawa, Tomoyuki Kanda
  • METHOD OF TREATING BRAIN ISCHEMIA
    Publication number: 20080207649
    Abstract: The present invention relates to a method of treating various neurodegenerative disorders, in which a xanthine derivative represented by formula (I): or a pharmaceutically acceptable salt thereof, as an active ingredient, is administered.
    Type: Application
    Filed: April 30, 2008
    Publication date: August 28, 2008
    Inventors: Junichi SHIMADA, Masako Kurokawa, Ken Ikeda, Fumio Suzuki, Yoshihisa Kuwana
  • Method of treating brain ischemia
    Publication number: 20060258688
    Abstract: The present invention relates to a method of treating various neurodegenerative disorders, in which a xanthine derivative represented by formula (I): or a pharmaceutically acceptable salt thereof, as an active ingredient, is administered.
    Type: Application
    Filed: July 19, 2006
    Publication date: November 16, 2006
    Inventors: Junichi Shimada, Masako Kurokawa, Ken Ikeda, Fumio Suzuki, Yoshihisa Kuwana
  • Method of treating brain ischemia
    Patent number: 7115614
    Abstract: The present invention relates to a method of treating brain ischemia in which a xanthine derivative represented by formula (I): or a pharmaceutically acceptable salt thereof, as an active ingredient, is administered.
    Type: Grant
    Filed: October 27, 2003
    Date of Patent: October 3, 2006
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Junichi Shimada, Masako Kurokawa, Ken Ikeda, Fumio Suzuki, Yoshihisa Kuwana
  • Therapeutic agent for neurodegenerative disorders
    Publication number: 20040229888
    Abstract: The present invention relates to a therapeutic agent for neurodegenerative disorders, comprising a xanthine derivative represented by formula (I): 1
    Type: Application
    Filed: October 27, 2003
    Publication date: November 18, 2004
    Inventors: Junichi Shimada, Masako Kurokawa, Ken Ikeda, Fumio Suzuki, Yoshihisa Kuwana
  • Receptor Antagonists
    Publication number: 20040110826
    Abstract: The present invention provides an &agr;2c-adrenoceptor antagonist comprising, as an active ingredient, a condensed-ring-pyrimidine derivative represented by general formula (I) below or a pharmaceutically acceptable salt thereof useful for treating and/or preventing various diseases induced by hyperactivity of &agr;2c-adrenoceptor (for example, Parkinson's disease, L-DOPA-induced dyskinesia, tardive dyskinesia and depression) and the like.
    Type: Application
    Filed: May 28, 2003
    Publication date: June 10, 2004
    Inventors: Noriaki Uesaka, Hironori Imma, Hajime Kashima, Masako Kurokawa, Hiromi Nonaka, Tomoyuki Kanda, Yoshihisa Kuwana, Shinichiro Toki, Junichi Shimada
  • Remedial agent for neural degeneration
    Patent number: 6727259
    Abstract: The present invention relates to a therapeutic agent for neurodegenerative disorders, comprising a xanthine derivative represented by formula (I): or a pharmaceutically acceptable salt thereof as an active ingredient wherein X1, X2, R1, R2, R3 and R4 are herein defined.
    Type: Grant
    Filed: March 3, 2000
    Date of Patent: April 27, 2004
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Junichi Shimada, Masako Kurokawa, Ken Ikeda, Fumio Suzuki, Yoshihisa Kuwana
  • REMEDIAL AGENT FOR NEURAL DEGENERATION
    Publication number: 20030158214
    Abstract: The present invention relates to a therapeutic agent for neurodegenerative disorders, comprising a xanthine derivative represented by formula (I): 1
    Type: Application
    Filed: March 3, 2000
    Publication date: August 21, 2003
    Inventors: JUNICHI SHIMADA, MASAKO KUROKAWA, KEN IKEDA, FUMIO SUZUKI, YOSHIHISA KUWANA