Patents by Inventor Mitsunari Yamamoto

Mitsunari Yamamoto 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).

  • Preventive or therapeutic agent for inflammatory bowel disease comprising IL-6 antagonist as an active ingredient
    Patent number: 7824674
    Abstract: A preventive or therapeutic agent for inflammatory bowel disease such as Crohn's disease and ulcerative colitis said agent comprising as an active ingredient an interleukin-6 (IL-6) antagonist such as an antibody directed against IL-6 receptor.
    Type: Grant
    Filed: October 3, 2003
    Date of Patent: November 2, 2010
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Hiroaki Ito, Mitsunari Yamamoto, Tadamitsu Kishimoto
  • Method of treating inflammatory intestinal diseases containing as the ingredient IL-6 receptors antibodies
    Patent number: 6723319
    Abstract: A preventive or therapeutic agent for treating bowel disease, including Crohn's disease and ulcerative colitis, where the agent has as an active ingredient an antibody directed against IL-6 receptor which is an interleukin-6 antagonist.
    Type: Grant
    Filed: September 14, 2000
    Date of Patent: April 20, 2004
    Assignees: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Hiroaki Ito, Mitsunari Yamamoto, Tadamitsu Kishimoto
  • Preventive or therapeutic agent for inflammatory bowel disease comprising IL-6 antagonist as an active ingredient
    Publication number: 20040071706
    Abstract: A preventive or therapeutic agent for inflammatory bowel disease such as Crohn's disease and ulcerative colitis said agent comprising as an active ingredient an interleukin-6 (IL-6) antagonist such as an antibody directed against IL-6 receptor.
    Type: Application
    Filed: October 3, 2003
    Publication date: April 15, 2004
    Applicant: CHUGAI SEIYAKU KABUSHIKI KAISHA
    Inventors: Hiroaki Ito, Mitsunari Yamamoto, Tadamitsu Kishimoto