Patents by Inventor Tatsuaki Morokata

Tatsuaki Morokata 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).

  • 2H-CHROMENE COMPOUND AND DERIVATIVE THEREOF
    Publication number: 20120178735
    Abstract: Provided is a 2H-chromene compound or a derivative thereof which has an excellent S1P1 agonist action. The 2H-chromene compound or derivative is particularly useful for preventing and/or treating a disease induced by undesirable lymphocyte infiltration or a disease induced by abnormal proliferation or accumulation of cells.
    Type: Application
    Filed: February 15, 2012
    Publication date: July 12, 2012
    Applicant: ASTELLAS PHARMA INC.
    Inventors: Hironori Harada, Kazuyuki Hattori, Kazuya Fujita, Sunao Imada, Tatsuaki Morokata
  • 2H-chromene compound and derivative thereof
    Patent number: 8193378
    Abstract: Provided is a compound which has an excellent S1P1 agonist action, and is useful particularly as an active ingredient for an agent for preventing and/or treating a disease induced by undesirable lymphocyte infiltration or a disease induced by abnormal proliferation or accumulation of cells. According to the present invention, a 2H-chromene compound or a derivative thereof which has an excellent S1P1 agonist action, and is useful particularly as an active ingredient of an agent for preventing and/or treating a disease induced by undesirable lymphocyte infiltration or a disease induced by abnormal proliferation or accumulation of cells can be provided. The 2H-chromene compound and a derivative thereof which are the compounds of the present invention have an S1P1 agonist action, and can be used particularly for prevention and/or treatment of a disease induced by undesirable lymphocyte infiltration or a disease induced by abnormal proliferation or accumulation of cells.
    Type: Grant
    Filed: December 4, 2009
    Date of Patent: June 5, 2012
    Assignee: Astellas Pharma Inc.
    Inventors: Hironori Harada, Kazuyuki Hattori, Kazuya Fujita, Sunao Imada, Tatsuaki Morokata
  • 2H-CHROMENE COMPOUND AND DERIVATIVE THEREOF
    Publication number: 20110230463
    Abstract: [Object] Provided is a compound which has an excellent S1P1 agonist action, and is useful particularly as an active ingredient for an agent for preventing and/or treating a disease induced by undesirable lymphocyte infiltration or a disease induced by abnormal proliferation or accumulation of cells. [Means for Solution] According to the present invention, a 2H-chromene compound or a derivative thereof which has an excellent S1P1 agonist action, and is useful particularly as an active ingredient of an agent for preventing and/or treating a disease induced by undesirable lymphocyte infiltration or a disease induced by abnormal proliferation or accumulation of cells can be provided. The 2H-chromene compound and a derivative thereof which are the compounds of the present invention have an S1P1 agonist action, and can be used particularly for prevention and/or treatment of a disease induced by undesirable lymphocyte infiltration or a disease induced by abnormal proliferation or accumulation of cells.
    Type: Application
    Filed: December 4, 2009
    Publication date: September 22, 2011
    Applicant: ASTELLAS PHARMA INC.
    Inventors: Hironori Harada, Kazuyuki Hattori, Kazuya Fujita, Sunao Imada, Tatsuaki Morokata
  • Hetero compound
    Patent number: 7951825
    Abstract: To provide a useful compound as an active ingredient for a preventing and/or treating agent for rejection in the transplantation of an organ, bone marrow, or a tissue, an autoimmune disease, or the like, which has an excellent S1P1 agonist activity.
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: May 31, 2011
    Assignee: Astellas Pharma Inc.
    Inventors: Hironori Harada, Kazuyuki Hattori, Kazuya Fujita, Masataka Morita, Sunao Imada, Yoshito Abe, Hiromichi Itani, Tatsuaki Morokata, Hideo Tsutsumi
  • HETERO COMPOUND
    Publication number: 20100168159
    Abstract: [Problems] To provide a useful compound as an active ingredient for a preventing and/or treating agent for rejection in the transplantation of an organ, bone marrow, or a tissue, an autoimmune disease, or the like, which has an excellent S1P1 agonist activity.
    Type: Application
    Filed: January 29, 2010
    Publication date: July 1, 2010
    Applicant: ASTELLAS PHARMA INC.
    Inventors: Hironori Harada, Kazuyuki Hattori, Kazuya Fujita, Masataka Morita, Sunao Imada, Yoshito Abe, Hiromichi Itani, Tatsuaki Morokata, Hideo Tsutsumi
  • Hetero compound
    Patent number: 7678820
    Abstract: To provide a useful compound as an active ingredient for a preventing and/or treating agent for rejection in the transplantation of an organ, bone marrow, or a tissue, an autoimmune disease, or the like, which has an excellent S1P1 agonist activity.
    Type: Grant
    Filed: October 2, 2008
    Date of Patent: March 16, 2010
    Assignee: Astellas Pharma Inc.
    Inventors: Hironori Harada, Kazuyuki Hattori, Kazuya Fujita, Masataka Morita, Sunao Imada, Yoshito Abe, Hiromichi Itani, Tatsuaki Morokata, Hideo Tsutsumi
  • HETERO COMPOUND
    Publication number: 20090076070
    Abstract: [Problems] To provide a useful compound as an active ingredient for a preventing and/or treating agent for rejection in the transplantation of an organ, bone marrow, or a tissue, an autoimmune disease, or the like, which has an excellent S1P1 agonist activity.
    Type: Application
    Filed: October 2, 2008
    Publication date: March 19, 2009
    Applicant: Astellas Pharma Inc.
    Inventors: Hironori HARADA, Kazuyuki Hattori, Kazuya Fujita, Masataka Morita, Sunao Imada, Yoshito Abe, Hiromichi Itani, Tatsuaki Morokata, Hideo Tsutsumi