Patents by Inventor Noriyuki Hirano

Noriyuki Hirano 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).

  • Agent for improving learning or memory
    Patent number: 6803366
    Abstract: Disclosed is an agent for improving learning and/or memory, which is useful for therapy of dementia accompanying disorder of memory due to a cerebrovascular disease, neurodegenerative disease such as Alzheimer's disease, endocrine disease, nutritional or metabolic disorder, infectious disease, drug addiction or the like. The agent for improving learning and/or memory according to the present invention comprises as an effective ingredient an isoquinoline derivative having a specific structure, such as (4aR, 12aR)-2-methyl-4a-(3-hydroxyphenyl)-1,2,3,4,4a,5,12,12a-octahydro-quinoline[2,3-g]isoquinoline or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: May 30, 2002
    Date of Patent: October 12, 2004
    Assignee: Toray Industries, Inc.
    Inventors: Kuniaki Kawamura, Hiroshi Nagase, Noriyuki Hirano, Junzo Kamei
  • Agent for improving learning or memory
    Publication number: 20030186986
    Abstract: Disclosed is an agent for improving learning and/or memory, which is useful for therapy of dementia accompanying disorder of memory due to a cerebrovascular disease, neurodegenerative disease such as Alzheimer's disease, endocrine disease, nutritional or metabolic disorder, infectious disease, drug addiction or the like. The agent for improving learning and/or memory according to the present invention comprises as an effective ingredient an isoquinoline derivative having a specific structure, such as (4aR, 12aR)-2-methyl-4a-(3-hydroxyphenyl)-1,2,3,4,4a,5,12,12a-octahydro-quinoline[2,3-g]isoquinoline or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: May 30, 2002
    Publication date: October 2, 2003
    Inventors: Kuniaki Kawamura, Hiroshi Nagase, Noriyuki Hirano, Junzo Kamei
  • 5,6,7-trinor-4,8-inter-m-phenylene PGI2, derivative and drugs containing the same
    Patent number: 6555559
    Abstract: The present invention provides novel PGI2 derivatives and an anti Helicobacter agent, a platelet function potentiating agent or a cervical ripening agent containing any of the derivatives.
    Type: Grant
    Filed: August 1, 2000
    Date of Patent: April 29, 2003
    Assignee: Toray Industries, Inc.
    Inventors: Hisanori Wakita, Naohiro Yamada, Hitoshi Hatakeyama, Takeshi Ishigaki, Noriyuki Hirano, Takeshi Mori