Patents by Inventor Hiroo Kumagai

Hiroo Kumagai 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: 8338442
    Abstract: A therapeutic drug for psychoneurotic disorders, which is useful for therapies of psychoneurotic disorders, especially restless legs syndrome is disclosed. The therapeutic drug for psychoneurotic disorders according to the present invention comprises as an effective ingredient an opioid ? receptor agonist compound (excluding pentazocine) such as (?)-17-(cyclopropylmethyl)-3,14?-dihydroxy-4,5?-epoxy-6?[N-methyl-trans-3-(3-furyl)acrylamide]morphinan hydrochloric acid salt.
    Type: Grant
    Filed: March 29, 2002
    Date of Patent: December 25, 2012
    Assignee: Toray Industries, Inc.
    Inventors: Hiroo Kumagai, Jun Utsumi
  • Patent number: 6984493
    Abstract: A method for examining a disease includes measuring plural opioid peptides or opioid receptors in blood cell, body fluid, or tissue and calculating the ratio thereof. The method can be specifically applied to pruritic diseases. The invented method for examination can determine whether opioids are involved in a pruritic disease and can determine whether therapy with an opioid agonistic and/or antagonistic antipruritus agent is appropriate or not.
    Type: Grant
    Filed: November 2, 2000
    Date of Patent: January 10, 2006
    Assignee: Toray Industries, Inc.
    Inventors: Hiroo Kumagai, Takao Saruta
  • Publication number: 20040116456
    Abstract: A therapeutic drug for psychoneurotic disorders, which is useful for therapies of psychoneurotic disorders, especially restless legs syndrome is disclosed. The therapeutic drug for psychoneurotic disorders according to the present invention comprises as an effective ingredient an opioid &kgr; receptor agonist compound (excluding pentazocine) such as (−)-17-(cyclopropylmethyl)-3,14&bgr;-dihydroxy-4,5&agr;-epoxy-6&bgr;[N-methyl-trans-3-(3-furyl)acrylamide]morphinan hydrochloric acid salt.
    Type: Application
    Filed: September 29, 2003
    Publication date: June 17, 2004
    Inventors: Hiroo Kumagai, Jun Utsumi