Patents by Inventor Yuya Ishiduka

Yuya Ishiduka 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).

  • Material for adhesion prevention
    Patent number: 10940229
    Abstract: A material for adhesion prevention can be adhered to biological tissue with certainty and has improved tissue adhesiveness and biodegradability. Such material for adhesion prevention is composed of: a 1- to 1,000-?m-thick water-soluble support layer comprising a water-soluble polymer; and a 1- to 1,000-?m-thick adhesion prevention layer comprising a biodegradable polymer. The biodegradable polymer has a structure in which a branched polyalkylene glycol comprising 3 to 8 terminal hydroxyl groups per molecule is bound to a polyhydroxy alkanoic acid, and a mass ratio of the branched polyalkylene glycol relative to the total mass is 1% to 30%.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: March 9, 2021
    Assignees: Toray Industries, Inc., Nanotheta Co., Ltd.
    Inventors: Akihiro Saito, Megumi Nakanishi, Kazuhiro Tanahashi, Toru Arakane, Motonori Hochi, Ai Suzuki, Koji Okabayashi, Shinji Takeoka, Toshinori Fujie, Yuya Ishiduka, Shinya Ohtsubo