Patents by Inventor Atsuko Nakata

Atsuko Nakata 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).

  • Ophthalmic Composition
    Publication number: 20230172969
    Abstract: The present invention relates to an ophthalmic composition for suppressing eye dryness, comprising at least one selected from the group consisting of chondroitin sulfate having a weight average molecular weight of 30,000 to 50,000 and a salt thereof.
    Type: Application
    Filed: March 31, 2021
    Publication date: June 8, 2023
    Applicant: Rohto Pharmaceutical Co., Ltd.
    Inventors: Tatsuya Ando, Yoko Mitsuguchi, Sachiko Matsumoto, Atsuko Nakata
  • Ophthalmic composition
    Patent number: 10842875
    Abstract: The inventive ophthalmic composition comprises: (A) polyvinyl pyrrolidone K90; and (B) at least one selected from the group consisting of an oil component, a grease component and polyethylene glycol. The ophthalmic composition alleviates a sticky sensation to ensure an excellent use sensation.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: November 24, 2020
    Assignee: ROHTO PHARMACEUTICAL CO., LTD.
    Inventors: Aki Kiyomiya, Takahiro Kurose, Atsuko Nakata, Xiang Zheng
  • OPHTHALMIC COMPOSITION
    Publication number: 20180289812
    Abstract: The inventive ophthalmic composition comprises: (A) polyvinyl pyrrolidone K90; and (B) at least one selected from the group consisting of an oil component, a grease component and polyethylene glycol. The ophthalmic composition alleviates a sticky sensation to ensure an excellent use sensation.
    Type: Application
    Filed: November 22, 2016
    Publication date: October 11, 2018
    Applicant: ROHTO PHARMACEUTICAL CO., LTD.
    Inventors: Aki Kiyomiya, Takahiro Kurose, Atsuko Nakata, Xiang Zheng
  • Aqueous ophthalmic composition
    Patent number: 9427473
    Abstract: The present invention relates to an aqueous ophthalmic composition comprising (A) polyoxyethylene castor oil, (B) polyethylene glycol monostearate, and (C) at least one member selected from the group consisting of sesame oil, castor oil, vitamin A, and chlorobutanol.
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: August 30, 2016
    Assignee: ROHTO PHARMACEUTICAL CO., LTD.
    Inventors: Ryo Komurasaki, Yoko Mizutare, Atsuko Nakata
  • Aqueous Ophthalmic Composition
    Publication number: 20160243030
    Abstract: The present invention relates to an aqueous ophthalmic composition comprising (A) polyoxyethylene castor oil, (B) polyethylene glycol monostearate, and (C) at least one member selected from the group consisting of sesame oil, castor oil, vitamin A, and chlorobutanol.
    Type: Application
    Filed: May 5, 2016
    Publication date: August 25, 2016
    Applicant: ROHTO PHARMACEUTICAL CO., LTD.
    Inventors: Ryo Komurasaki, Yoko Mizutare, Atsuko Nakata
  • Aqueous ophthalmic composition
    Patent number: 9345779
    Abstract: This invention relates to an aqueous ophthalmic composition comprising (A) polyoxyethylene castor oil and (B) sesame oil. According to the aqueous ophthalmic composition of the present invention, defoaming time is reduced, preservative efficacy is enhanced and photostability is improved.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: May 24, 2016
    Assignee: ROHTO PHARMACEUTICAL CO., LTD.
    Inventors: Atsuko Nakata, Eri Matsumoto
  • Aqueous ophthalmic composition
    Patent number: 9320802
    Abstract: This invention relates to an aqueous ophthalmic composition comprising (A) polyoxyethylene castor oil in which the average number of moles of added ethylene oxide is 2 to 12 and (B) terpenoid. According to the present invention, an aqueous ophthalmic composition having an improved foam disappearance speed can be obtained.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: April 26, 2016
    Assignee: ROHTO PHARMACEUTICAL CO., LTD.
    Inventors: Chinatsu Furumiya, Takayuki Miyano, Atsuko Nakata, Eri Matsumoto
  • AQUEOUS OPHTHALMIC COMPOSITION
    Publication number: 20150209437
    Abstract: This invention relates to an aqueous ophthalmic composition comprising (A) polyoxyethylene castor oil in which the average number of moles of added ethylene oxide is 2 to 12 and (B) terpenoid. According to the present invention, an aqueous ophthalmic composition having an improved foam disappearance speed can be obtained.
    Type: Application
    Filed: April 10, 2015
    Publication date: July 30, 2015
    Applicant: ROHTO PHARMACEUTICAL CO., LTD.
    Inventors: Chinatsu FURUMIYA, Takayuki MIYANO, Atsuko NAKATA, Eri MATSUMOTO
  • AQUEOUS OPHTHALMIC COMPOSITION
    Publication number: 20150165051
    Abstract: This invention relates to an aqueous ophthalmic composition comprising (A) polyoxyethylene castor oil and (B) sesame oil. According to the aqueous ophthalmic composition of the present invention, defoaming time is reduced, preservative efficacy is enhanced and photostability is improved.
    Type: Application
    Filed: February 27, 2015
    Publication date: June 18, 2015
    Inventors: Atsuko NAKATA, Eri MATSUMOTO
  • Aqueous ophthalmic composition
    Patent number: 9050369
    Abstract: This invention relates to an aqueous ophthalmic composition comprising (A) polyoxyethylene castor oil and (B) sesame oil. According to the aqueous ophthalmic composition of the present invention, defoaming time is reduced, preservative efficacy is enhanced and photostability is improved.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: June 9, 2015
    Assignee: ROHTO PHARMACEUTICAL CO., LTD.
    Inventors: Atsuko Nakata, Eri Matsumoto
  • Aqueous ophthalmic composition
    Patent number: 9034931
    Abstract: This invention relates to an aqueous ophthalmic composition comprising (A) polyoxyethylene castor oil in which the average number of moles of added ethylene oxide is 2 to 12 and (B) terpenoid. According to the present invention, an aqueous ophthalmic composition having an improved foam disappearance speed can be obtained.
    Type: Grant
    Filed: December 27, 2011
    Date of Patent: May 19, 2015
    Assignee: ROHTO PHARMACEUTICAL CO., LTD.
    Inventors: Chinatsu Furumiya, Takayuki Miyano, Atsuko Nakata, Eri Matsumoto
  • Aqueous Ophthalmic Composition
    Publication number: 20150018416
    Abstract: The present invention relates to an aqueous ophthalmic composition comprising (A) polyoxyethylene castor oil, (B) polyethylene glycol monostearate, and (C) at least one member selected from the group consisting of sesame oil, castor oil, vitamin A, and chlorobutanol.
    Type: Application
    Filed: November 29, 2013
    Publication date: January 15, 2015
    Applicant: ROHTO PHARMACEUTICAL CO., LTD.
    Inventors: Ryo Komurasaki, Yoko Mizutare, Atsuko Nakata
  • AQUEOUS OPHTHALMIC COMPOSITION
    Publication number: 20140371123
    Abstract: This invention relates to an aqueous ophthalmic composition comprising (A) polyoxyethylene castor oil in which the number of moles of added ethylene oxide is 2 to 30, and (B) at least one member selected from the group consisting of castor oil and vitamin A. According to the aqueous ophthalmic composition of the present invention, the defoaming time can be reduced even when foam is generated by vibration or impact.
    Type: Application
    Filed: September 4, 2014
    Publication date: December 18, 2014
    Inventor: Atsuko NAKATA
  • AQUEOUS OPHTHALMIC COMPOSITION
    Publication number: 20140005274
    Abstract: This invention relates to an aqueous ophthalmic composition comprising (A) polyoxyethylene castor oil in which the number of moles of added ethylene oxide is 2 to 30, and (B) at least one member selected from the group consisting of castor oil and vitamin A. According to the aqueous ophthalmic composition of the present invention, the defoaming time can be reduced even when foam is generated by vibration or impact.
    Type: Application
    Filed: December 19, 2012
    Publication date: January 2, 2014
    Applicant: ROHTO PHARMACEUTICAL CO., LTD.
    Inventor: Atsuko NAKATA
  • AQUEOUS OPHTHALMIC COMPOSITION
    Publication number: 20140005277
    Abstract: This invention relates to an aqueous ophthalmic composition comprising (A) polyoxyethylene castor oil and (B) sesame oil. According to the aqueous ophthalmic composition of the present invention, defoaming time is reduced, preservative efficacy is enhanced and photostability is improved.
    Type: Application
    Filed: December 19, 2012
    Publication date: January 2, 2014
    Applicant: ROHTO PHARMACEUTICAL CO., LTD.
    Inventors: Atsuko NAKATA, Eri MATSUMOTO
  • AQUEOUS OPHTHALMIC COMPOSITION
    Publication number: 20130296446
    Abstract: This invention relates to an aqueous ophthalmic composition comprising (A) polyoxyethylene castor oil in which the average number of moles of added ethylene oxide is 2 to 12 and (B) terpenoid. According to the present invention, an aqueous ophthalmic composition having an improved foam disappearance speed can be obtained.
    Type: Application
    Filed: December 27, 2011
    Publication date: November 7, 2013
    Applicant: ROHTO PHARMACEUTICAL CO., LTD.
    Inventors: Chinatsu Furumiya, Takayuki Miyano, Atsuko Nakata, Eri Matsumoto
  • OPHTHALMIC COMPOSITION FOR CONTACT LENS
    Publication number: 20130274332
    Abstract: An object of the present invention is to provide an ophthalmic composition for contact lens that can inhibit bacterial adhesion to a contact lens. The ophthalmic composition for contact lens can be prepared by using a combination of (A) polyoxyethylene castor oil and (B) terpenoid.
    Type: Application
    Filed: December 15, 2011
    Publication date: October 17, 2013
    Applicant: ROHTO PHARMACEUTICAL CO., LTD.
    Inventors: Chinatsu Furumiya, Atsuko Nakata