Patents by Inventor Asuka KAMIMURA

Asuka KAMIMURA 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).

  • Publication number: 20220054520
    Abstract: Provided is an ophthalmic composition comprising diquafosol or a salt thereof, a vinyl-based polymer and a cellulose-based polymer. Also provided is an agent for prevention or treatment of dry eyes, comprising diquafosol or a salt thereof, a vinyl-based polymer and a cellulose-based polymer. These solution-type aqueous eye drop for treatment of dry eye each comprises diquafosol sodium with a concentration of 3% (w/v), hydroxyethyl cellulose and polyvinylpyrrolidone having a K value of 30, and is characterized in that a single dose of 1 to 2 drops is administered by eye drop three times per day.
    Type: Application
    Filed: February 26, 2020
    Publication date: February 24, 2022
    Applicant: SANTEN PHARMACEUTICAL CO., LTD.
    Inventors: Kenji MORISHIMA, Hiroyuki ASADA, Yusuke MOMOKAWA, Asuka KAMIMURA, Kenichi ENDO
  • Publication number: 20210128601
    Abstract: An ophthalmic solution, which comprises diquafosol tetrasodium salt and is free from benzalkonium chloride, treats onset and/or exacerbation of dry eye symptom caused by wearing soft contact lenses.
    Type: Application
    Filed: January 11, 2021
    Publication date: May 6, 2021
    Applicant: Santen Pharmaceutical Co., Ltd.
    Inventors: Yoshihiro OSHITA, Hitoshi NAKAZAWA, Isao MATSUOKA, Asuka KAMIMURA
  • Patent number: 10918656
    Abstract: An ophthalmic solution, which comprises diquafosol tetrasodium salt and is free from benzalkonium chloride, treats onset and/or exacerbation of dry eye symptom caused by wearing soft contact lenses.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: February 16, 2021
    Assignee: SANTEN PHARMACEUTICAL CO., LTD.
    Inventors: Yoshihiro Oshita, Hitoshi Nakazawa, Isao Matsuoka, Asuka Kamimura
  • Publication number: 20210000844
    Abstract: Provided is an ophthalmic composition comprising diquafosol or a salt thereof and a cationic polymer, the cationic polymer being at least one selected from the group consisting of chitosan, a chitosan derivative, a cationic (meth)acrylate copolymer, a cationic silicone polymer, a diallyl quaternary ammonium salt-acrylamide copolymer, cationic hydrolyzed keratin, cationic hydrolyzed silk, cationic hydrolyzed collagen, cationic hydrolyzed casein, cationic hydrolyzed soy protein, a cationic vinylpyrrolidone copolymer, polyvinylpyrrolidone, a dimethyldiacrylammonium chloride homopolymer, an adipic acid-dimethylaminohydroxypropyldiethylenetriamine copolymer, an adipic acid-epoxypropyldiethylenetriamine copolymer and an acrylamide-?-methacryloyloxyethyltrimethylammoniummethyl sulfate copolymer.
    Type: Application
    Filed: February 27, 2019
    Publication date: January 7, 2021
    Applicant: Santen Pharmaceutical Co., Ltd.
    Inventors: Kyohei TAKAHASHI, Hiroyuki ASADA, Asuka KAMIMURA, Kenji MORISHIMA, Yusuke MOMOKAWA, Kenichi ENDO
  • Patent number: 10786526
    Abstract: Provided is an aqueous ophthalmic solution comprising diquafosol or a salt thereof at a concentration of 0.1% to 10% (w/v) and a chlorhexidine at a concentration of 0.0001% to 0.1% (w/v).
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: September 29, 2020
    Assignee: SANTEN PHARMACEUTICAL CO., LTD.
    Inventors: Koji Inagaki, Naoki Matsumoto, Toshihiro Ogawa, Yukihisa Wakabayashi, Asuka Kamimura, Yoshihiro Oshita, Hitoshi Nakazawa, Isao Matsuoka
  • Publication number: 20200254000
    Abstract: An ophthalmic solution, which comprises diquafosol tetrasodium salt and is free from benzalkonium chloride, treats onset and/or exacerbation of dry eye symptom caused by wearing soft contact lenses.
    Type: Application
    Filed: April 30, 2020
    Publication date: August 13, 2020
    Applicant: SANTEN PHARMACEUTICAL CO., LTD.
    Inventors: Yoshihiro OSHITA, Hitoshi NAKAZAWA, Isao MATSUOKA, Asuka KAMIMURA
  • Patent number: 10729712
    Abstract: An ophthalmic solution, which comprises diquafosol tetrasodium salt and is free from benzalkonium chloride, treats onset and/or exacerbation of dry eye symptom caused by wearing soft contact lenses.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: August 4, 2020
    Assignee: SANTEN PHARMACEUTICAL CO., LTD.
    Inventors: Yoshihiro Oshita, Hitoshi Nakazawa, Isao Matsuoka, Asuka Kamimura
  • Publication number: 20190209599
    Abstract: Provided is an aqueous ophthalmic solution comprising diquafosol or a salt thereof at a concentration of 0.1% to 10% (w/v) and a chlorhexidine at a concentration of 0.0001% to 0.1% (w/v).
    Type: Application
    Filed: March 13, 2019
    Publication date: July 11, 2019
    Applicant: SANTEN PHARMACEUTICAL CO., LTD.
    Inventors: Koji INAGAKI, Naoki MATSUMOTO, Toshihiro OGAWA, Yukihisa WAKABAYASHI, Asuka KAMIMURA, Yoshihiro OSHITA, Hitoshi NAKAZAWA, Isao MATSUOKA
  • Patent number: 10278985
    Abstract: Provided is an aqueous ophthalmic solution comprising diquafosol or a salt thereof at a concentration of 0.1% to 10% (w/v) and a chlorhexidine at a concentration of 0.0001% to 0.1% (w/v).
    Type: Grant
    Filed: December 25, 2015
    Date of Patent: May 7, 2019
    Assignee: SANTEN PHARMACEUTICAL CO., LTD.
    Inventors: Koji Inagaki, Naoki Matsumoto, Toshihiro Ogawa, Yukihisa Wakabayashi, Asuka Kamimura, Yoshihiro Oshita, Hitoshi Nakazawa, Isao Matsuoka
  • Publication number: 20180147230
    Abstract: An ophthalmic solution, which comprises diquafosol tetrasodium salt and is free from benzalkonium chloride, treats onset and/or exacerbation of dry eye symptom caused by wearing soft contact lenses.
    Type: Application
    Filed: June 3, 2016
    Publication date: May 31, 2018
    Applicant: SANTEN PHARMACEUTICAL CO., LTD.
    Inventors: Yoshihiro OSHITA, Hitoshi NAKAZAWA, Isao MATSUOKA, Asuka KAMIMURA
  • Publication number: 20170348344
    Abstract: Provided is an aqueous ophthalmic solution comprising diquafosol or a salt thereof at a concentration of 0.1% to 10% (w/v) and a chlorhexidine at a concentration of 0.0001% to 0.1% (w/v).
    Type: Application
    Filed: December 25, 2015
    Publication date: December 7, 2017
    Applicant: SANTEN PHARMACEUTICAL CO., LTD.
    Inventors: Koji INAGAKI, Naoki MATSUMOTO, Toshihiro OGAWA, Yukihisa WAKABAYASHI, Asuka KAMIMURA, Yoshihiro OSHITA, Hitoshi NAKAZAWA, Isao MATSUOKA