Patents by Inventor Yuko Shikamura

Yuko Shikamura 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: 10709786
    Abstract: The present invention provides a stable and clear aqueous liquid preparation containing (3-{2-[4-isopropyl-2-(4-trifluoromethyl)phenyl-5-thiazolyl]ethyl}-5-methyl-1,2-benzisoxazol-6-yl) oxyacetic acid or a pharmaceutically acceptable salt thereof as an active ingredient, and bensalkonium chloride represented by the formula: [C6H5CH2N(CH3)2R]Cl wherein R is an alkyl group having 8-18 carbon atoms.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: July 14, 2020
    Assignee: SENJU PHARMACEUTICAL CO., LTD.
    Inventors: Yuko Shikamura, Yuka Higashimura
  • Publication number: 20180228901
    Abstract: The present invention provides a stable and clear aqueous liquid preparation containing (3-{2-[4-isopropyl-2-(4-trifluoromethyl)phenyl-5-thiazolyl]ethyl}-5-methyl-1,2-benzisoxazol-6-yl) oxyacetic acid or a pharmaceutically acceptable salt thereof as an active ingredient, and bensalkonium chloride represented by the formula: [C6H5CH2N(CH3)2R]Cl wherein R is an alkyl group having 8-18 carbon atoms.
    Type: Application
    Filed: April 16, 2018
    Publication date: August 16, 2018
    Applicant: SENJU PHARMACEUTICAL CO., LTD.
    Inventors: Yuko SHIKAMURA, Yuka HIGASHIMURA
  • Patent number: 9968679
    Abstract: The present invention provides a stable and clear aqueous liquid preparation containing (3-{2-[4-isopropyl-2-(4-trifluoromethyl)phenyl-5-thiazolyl]ethyl}-5-methyl-1,2-benzisoxazol-6-yl)oxyacetic acid or a pharmaceutically acceptable salt thereof as an active ingredient, and benzalkonium chloride represented by the formula: [C6H5CH2N(CH3)2R]Cl wherein R is an alkyl group having 8-18 carbon atoms.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: May 15, 2018
    Assignee: SENJU PHARMACEUTICAL CO., LTD.
    Inventors: Yuko Shikamura, Yuka Higashimura
  • Patent number: 9486362
    Abstract: The present invention aims to provide a ring-shaped device superior in the wearing comfort and intraocular stability while being worn on the eye. Provided is a ring-shaped device to be worn on the scleral surface, which is characterized in that it has an opening to expose the cornea and an intermediate portion between an inner edge portion and an outer edge portion has a maximum thickness.
    Type: Grant
    Filed: December 25, 2009
    Date of Patent: November 8, 2016
    Assignees: Senju Pharmaceutical Co., Ltd., SEED Co., Ltd.
    Inventors: Yuko Shikamura, Takao Sato, Toru Matsunaga, Yoshiko Yamazaki, Tsutomu Fukushima
  • Publication number: 20150366969
    Abstract: The present invention provides a stable and clear aqueous liquid preparation containing (3-{2-[4-isopropyl-2-(4-trifluoromethyl)phenyl-5-thiazolyl]ethyl}-5-methyl-1,2-benzisoxazol-6-yl)oxyacetic acid or a pharmaceutically acceptable salt thereof as an active ingredient, and benzalkonium chloride represented by the formula: [C6H5CH2N(CH3)2R]Cl wherein R is an alkyl group having 8-18 carbon atoms.
    Type: Application
    Filed: January 30, 2014
    Publication date: December 24, 2015
    Inventors: Yuko SHIKAMURA, Yuka HIGASHIMURA
  • Publication number: 20150366966
    Abstract: The present invention provides an aqueous liquid preparation having high stability to light and heat, which contains (3-{2-[4-isopropyl-2-(4-trifluoromethyl)phenyl-5-thiazolyl]ethyl}-5-methyl-1,2-benzisoxazol-6-yl)oxyacetic acid or a pharmaceutically acceptable salt thereof, and tyloxapol or octoxynol.
    Type: Application
    Filed: January 30, 2014
    Publication date: December 24, 2015
    Inventors: Yuko SHIKAMURA, Yuka HIGASHIMURA
  • Publication number: 20120135947
    Abstract: The present invention provides an oil-in-water emulsion composition for topical administration, containing (a) tobramycin, (b) difluprednate, (c) water, (d) oil and (e) an emulsifier. Moreover, it provides a method for stabilizing tobramycin, which includes mixing (a) tobramycin, (b) difluprednate, (c) water, (d) oil and (e) an emulsifier to form an oil-in-water emulsion. The present invention can provide an oil-in-water emulsion composition containing tobramycin, which can maintain tobramycin content stably even when a non-ionic surfactant is added.
    Type: Application
    Filed: November 28, 2011
    Publication date: May 31, 2012
    Applicants: MITSUBISHI TANABE PHARMA CORPORATION, SENJU PHARMACEUTICAL CO., LTD.
    Inventor: Yuko SHIKAMURA
  • Publication number: 20120022473
    Abstract: The present invention aims to provide a ring-shaped device superior in the wearing comfort and intraocular stability while being worn on the eye. Provided is a ring-shaped device to be worn on the scleral surface, which is characterized in that it has an opening to expose the cornea and an intermediate portion between an inner edge portion and an outer edge portion has a maximum thickness.
    Type: Application
    Filed: December 25, 2009
    Publication date: January 26, 2012
    Applicants: SEED CO., LTD., SENJU PHARMACEUTICAL CO., LTD.
    Inventors: Yuko Shikamura, Takao Sato, Toru Matsunaga, Yoshiko Yamazaki, Tsutomu Fukushima