Patents by Inventor Suzuka Iemoto

Suzuka Iemoto 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).

  • Aqueous liquid bromfenac composition having preservative efficacy
    Patent number: 9561280
    Abstract: An aqueous liquid bromfenac composition containing (a) bromfenac or a salt thereof and (b) benzalkonium chloride, characterized by that the composition has preservative efficacy and that the concentration of (b) benzalkonium chloride is higher than 0.0005% and lower than 0.005%.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: February 7, 2017
    Assignee: SENJU PHARMACEUTICAL CO., LTD.
    Inventors: Shuichi Nishihata, Wakiko Asayama, Suzuka Iemoto
  • DIFLUPREDNATE EMULSION COMPOSITION CONTAINING ZINC
    Publication number: 20150374820
    Abstract: The present invention relates to an emulsion composition containing difluprednate and zinc. The present invention also relates to a method of stabilizing an emulsion composition containing difluprednate, the method includes preparing an emulsion composition comprising difluprednate and zinc. According to the present invention, a difluprednate-containing emulsion composition having excellent preservative efficacy and excellent stability (photostability and heat stability) can be provided.
    Type: Application
    Filed: February 14, 2014
    Publication date: December 31, 2015
    Inventors: Suzuka IEMOTO, Masazumi YAMAGUCHI, Shinichi YASUEDA
  • DIFLUPREDNATE EMULSION COMPOSITION CONTAINING ANTIMICROBIAL METAL
    Publication number: 20150366879
    Abstract: The present invention provides a difluprednate emulsion composition showing immediate effectiveness of preservative efficacy. The immediate effectiveness of preservative efficacy is achieved by adding an antimicrobial metal (excluding zinc). The present invention also provides a method of conferring immediate effectiveness of the preservative efficacy to an emulsion composition comprising difluprednate, the method includes preparing an emulsion composition comprising difluprednate and an antimicrobial metal (excluding zinc).
    Type: Application
    Filed: February 14, 2014
    Publication date: December 24, 2015
    Inventors: Masazumi YAMAGUCHI, Shuichi NISHIHATA, Suzuka IEMOTO, Shinichi YASUEDA
  • AQUEOUS LIQUID BROMFENAC COMPOSITION HAVING PRESERVATIVE EFFICACY
    Publication number: 20150306222
    Abstract: An aqueous liquid bromfenac composition containing (a) bromfenac or a salt thereof and (b) benzalkonium chloride, characterized by that the composition has preservative efficacy and that the concentration of (b) benzalkonium chloride is higher than 0.0005% and lower than 0.005%.
    Type: Application
    Filed: July 8, 2015
    Publication date: October 29, 2015
    Inventors: Shuichi NISHIHATA, Wakiko ASAYAMA, Suzuka IEMOTO
  • Aqueous liquid bromfenac composition having preservative efficacy
    Patent number: 9107888
    Abstract: An aqueous liquid bromfenac composition containing (a) bromfenac or a salt thereof and (b) benzalkonium chloride, characterized by that the composition has preservative efficacy and that the concentration of (b) benzalkonium chloride is higher than 0.0005% and lower than 0.005%.
    Type: Grant
    Filed: January 18, 2012
    Date of Patent: August 18, 2015
    Assignee: SENJU PHARMACEUTICAL CO., LTD.
    Inventors: Shuichi Nishihata, Wakiko Asayama, Suzuka Iemoto
  • AQUEOUS LIQUID BROMFENAC COMPOSITION HAVING PRESERVATIVE EFFICACY
    Publication number: 20130281537
    Abstract: An aqueous liquid bromfenac composition containing (a) bromfenac or a salt thereof and (b) benzalkonium chloride, characterized by that the composition has preservative efficacy and that the concentration of (b) benzalkonium chloride is higher than 0.0005% and lower than 0.005%.
    Type: Application
    Filed: January 18, 2012
    Publication date: October 24, 2013
    Inventors: Shuichi Nishihata, Wakiko Asayama, Suzuka Iemoto