Patents by Inventor Eri Matsumoto

Eri Matsumoto 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 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: 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 containing alginic acid or salt thereof
    Patent number: 8501822
    Abstract: An ophthalmic composition that, despite containing alginic acid and/or a salt thereof, has improved tackiness during use and provides a satisfactory use feeling. The composition has an improved ability to remain on the eye mucosa. The ophthalmic composition contains (A) alginic acid and/or a salt thereof in combination with (B) hyaluronic acid and/or a salt thereof.
    Type: Grant
    Filed: March 27, 2012
    Date of Patent: August 6, 2013
    Assignee: Rohto Pharmaceutical Co., Ltd.
    Inventors: Eri Matsumoto, Yasuko Nishina, Kenichi Haruna, Harumasa Arita, Akiko Kita
  • OPHTHALMIC COMPOSITION CONTAINING ALGINIC ACID OR SALT THEREOF
    Publication number: 20120238519
    Abstract: An ophthalmic composition that, despite containing alginic acid and/or a salt thereof, has improved tackiness during use and provides a satisfactory use feeling. The composition has an improved ability to remain on the eye mucosa. The ophthalmic composition contains (A) alginic acid and/or a salt thereof in combination with (B) hyaluronic acid and/or a salt thereof.
    Type: Application
    Filed: March 27, 2012
    Publication date: September 20, 2012
    Applicant: ROHTO PHARMACEUTICAL CO., LTD.
    Inventors: Eri MATSUMOTO, Yasuko NISHINA, Kenichi HARUNA, Harumasa ARITA, Akiko KITA
  • OPHTHALMIC COMPOSITION CONTAINING ALGINIC ACID OR SALT THEREOF
    Publication number: 20100234318
    Abstract: An ophthalmic composition that, despite containing alginic acid and/or a salt thereof, has improved tackiness during use and provides a satisfactory use feeling. The composition has an improved ability to remain on the eye mucosa. The ophthalmic composition contains (A) alginic acid and/or a salt thereof in combination with (B) hyaluronic acid and/or a salt thereof.
    Type: Application
    Filed: June 28, 2007
    Publication date: September 16, 2010
    Applicant: ROHTO PHARMACEUTICAL CO., LTD.
    Inventors: Eri Matsumoto, Yasuko Nishina, Kenichi Haruna, Harumasa Arita, Akiko Kita