Patents by Inventor Shinya Mandai

Shinya Mandai 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).

  • Embolic materials
    Patent number: 7414038
    Abstract: The object of the present invention is to provide an embolizing material which is easily handleable and stable in quality and is solved by providing an embolizing material comprising an ester derivative of a polysaccharide having a weight-average molecular weight of 10,000-500,000 daltons and an average substitution degree of acyl group of over two; an embolizing agent for arteriovenous aneurysm, which comprises the embolizing material and an appropriate physiologically acceptable water-soluble organic acid; and a method of producing an embolizing agent, which comprises a step of dissolving the embolizing material in an appropriate physiologically acceptable water-soluble organic solvent.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: August 19, 2008
    Assignee: Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
    Inventors: Kazushi Kinugasa, Shinya Mandai
  • Embolic materials
    Publication number: 20020183764
    Abstract: The object of the present invention is to provide an embolizing material which is easily handleable and stable in quality and is solved by providing an embolizing material comprising an ester derivative of a polysaccharide having a weight-average molecular weight of 10,000-500,000 daltons and an average substitution degree of acyl group of over two; an embolizing agent for arteriovenous aneurysm, which comprises the embolizing material and an appropriate physiologically acceptable water-soluble organic acid; and a method of producing an embolizing agent, which comprises a step of dissolving the embolizing material in an appropriate physiologically acceptable water-soluble organic solvent.
    Type: Application
    Filed: June 10, 2002
    Publication date: December 5, 2002
    Inventors: Kazushi Kinugasa, Shinya Mandai