Patents by Inventor Chieko MIURA

Chieko MIURA 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: 9351934
    Abstract: The present invention relates to a crosslinked gelatin support, in which a surface of a crosslinked gelatin is negatively charged and has a zeta potential in ethanol of from ?3 to ?50 mV, and a support for controlled release of a physiologically active substance, including: the crosslinked gelatin support; and a physiologically active substance adsorbed and retained on and/or inside the crosslinked gelatin support.
    Type: Grant
    Filed: April 18, 2014
    Date of Patent: May 31, 2016
    Assignee: NITTO DENKO CORPORATION
    Inventors: Shinji Sugawara, Chieko Miura, Tomoko Sudo, Masao Nakagawa, Toshiyuki Yoshikawa
  • Publication number: 20140316013
    Abstract: The present invention relates to a crosslinked gelatin support, in which a surface of a crosslinked gelatin is negatively charged and has a zeta potential in ethanol of from ?3 to ?50 mV, and a support for controlled release of a physiologically active substance, including: the crosslinked gelatin support; and a physiologically active substance adsorbed and retained on and/or inside the crosslinked gelatin support.
    Type: Application
    Filed: April 18, 2014
    Publication date: October 23, 2014
    Applicant: NITTO DENKO CORPORATION
    Inventors: Shinji SUGAWARA, Chieko MIURA, Tomoko SUDO, Masao NAKAGAWA, Toshiyuki YOSHIKAWA
  • Publication number: 20140079794
    Abstract: The present invention relates to a gelatin particle, which is a thermally crosslinked non-porous spherical gelatin particle having a circularity of 0.8 or more and a dry particle diameter of 20 to 1,600 ?m. The average volume swelling ratio of the gelatin particle in a case where the gelatin particle is immersed in physiological saline at 23° C. is from 200 to 2,000% relative to an average volume of the gelatin particle in a dried state. As for a swollen gelatin particle, it is preferable that the gelatin used has a jelly strength of 80 to 120 g and the swollen gelatin particle has a particle diameter of 50 to 2,000 ?m. The gelatin particle can be used for blood vessel embolization and also for controlled release of physiologically active substance.
    Type: Application
    Filed: September 16, 2013
    Publication date: March 20, 2014
    Applicant: NITTO DENKO CORPORATION
    Inventors: Chieko MIURA, Miki MAKABE, Eriko ABE, Shinji SUGAWARA, Toshiyuki YOSHIKAWA