Patents by Inventor Kyohei TOYONAGA

Kyohei TOYONAGA 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).

  • Method of producing bioabsorbable membrane
    Patent number: 11110204
    Abstract: A method of producing a bioabsorbable membrane includes: forming a liquid membrane by spin-coating a coating liquid containing a first bioabsorbable polymer and a solvent; and forming a dense layer by causing a porous membrane containing a second bioabsorbable polymer to contact the liquid membrane.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: September 7, 2021
    Assignee: GC Corporation
    Inventors: Yuuhiro Sakai, Yusuke Shigemitsu, Kyohei Toyonaga, Hidetoshi Funabashi
  • METHOD OF PRODUCING BIOABSORBABLE MEMBRANE AND BIOABSORBABLE MEMBRANE
    Publication number: 20200360568
    Abstract: A method of producing a bioabsorbable membrane includes: forming a liquid membrane by spin-coating a coating liquid containing a first bioabsorbable polymer and a solvent; and forming a dense layer by causing a porous membrane containing a second bioabsorbable polymer to contact the liquid membrane.
    Type: Application
    Filed: June 2, 2017
    Publication date: November 19, 2020
    Inventors: Yuuhiro SAKAI, Yusuke SHIGEMITSU, Kyohei TOYONAGA, Hidetoshi FUNABASHI