Patents by Inventor Emi IZUKURA

Emi IZUKURA 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).

  • Thermo-responsive gelling artificial lacrima
    Patent number: 11096889
    Abstract: The present invention is an aqueous solution which contains two types of methyl celluloses, polyethylene glycol, polyvinylpyrrolidone, and citric acid or a pharmaceutically acceptable salt thereof. The composition of the present invention maintains a low viscosity around room temperature, but the composition is suddenly increased in the viscosity due to heat around the body temperature and has thixotropy even after gelation.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: August 24, 2021
    Assignee: WAKAMOTO PHARMACEUTICAL CO., LTD.
    Inventors: Takeshi Yamamura, Ayaka Yamamuro, Emi Izukura, Moto Kimura, Tomohiro Otsuka
  • Thermo-Responsive Gelling Artificial Lacrima
    Publication number: 20200121592
    Abstract: The present invention is an aqueous solution which contains two types of methyl celluloses, polyethylene glycol, polyvinylpyrrolidone, and citric acid or a pharmaceutically acceptable salt thereof. The composition of the present invention maintains a low viscosity around room temperature, but the composition is suddenly increased in the viscosity due to heat around the body temperature and has thixotropy even after gelation.
    Type: Application
    Filed: December 17, 2019
    Publication date: April 23, 2020
    Inventors: Takeshi YAMAMURA, Ayaka YAMAMURO, Emi IZUKURA, Moto KIMURA, Tomohiro OTSUKA
  • Thermo-responsive gelling artificial lacrima
    Patent number: 10532026
    Abstract: The present invention is an aqueous solution which contains two types of methyl celluloses, polyethylene glycol, polyvinylpyrrolidone, and citric acid or a pharmaceutically acceptable salt thereof. The composition of the present invention maintains a low viscosity around room temperature, but the composition is suddenly increased in the viscosity due to heat around the body temperature and has thixotropy even after gelation.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: January 14, 2020
    Assignee: WAKAMOTO PHARMACEUTICAL CO., LTD.
    Inventors: Takeshi Yamamura, Ayaka Yamamuro, Emi Izukura, Moto Kimura, Tomohiro Otsuka
  • THERMO-RESPONSIVE GELLING ARTIFICIAL LACRIMA
    Publication number: 20180360746
    Abstract: The present invention is an aqueous solution which contains two types of methyl celluloses, polyethylene glycol, polyvinylpyrrolidone, and citric acid or a pharmaceutically acceptable salt thereof. The composition of the present invention maintains a low viscosity around room temperature, but the composition is suddenly increased in the viscosity due to heat around the body temperature and has thixotropy even after gelation.
    Type: Application
    Filed: August 23, 2018
    Publication date: December 20, 2018
    Inventors: Takeshi YAMAMURA, Ayaka YAMAMURO, Emi IZUKURA, Moto KIMURA, Tomohiro OTSUKA