Patents by Inventor Sayaka Ashikaga

Sayaka Ashikaga 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 for soft contact lens comprising terpenoid
    Patent number: 8067038
    Abstract: Disclosed is an ophthalmic composition for a soft contact lens, which is characterized in that the adsorption of a terpenoid contained in the composition onto a soft contact lens is reduced. The ophthalmic composition comprises a combination of Component (A) 0.005 to 0.01 wt % of a terpenoid and Component (B) alginic acid and/or a salt thereof.
    Type: Grant
    Filed: June 15, 2007
    Date of Patent: November 29, 2011
    Assignee: Rohto Pharmaceutical Co., Ltd.
    Inventors: Harumasa Arita, Sayaka Ashikaga, Kaori Ogawa, Miyuki Nishimura
  • OPHTHALMIC COMPOSITION FOR SOFT CONTACT LENS COMPRISING TERPENOID
    Publication number: 20100011989
    Abstract: Disclosed is an ophthalmic composition for a soft contact lens, which is characterized in that the adsorption of a terpenoid contained in the composition onto a soft contact lens is reduced. The ophthalmic composition comprises a combination of Component (A) 0.005 to 0.01 wt % of a terpenoid and Component (B) alginic acid and/or a salt thereof.
    Type: Application
    Filed: June 15, 2007
    Publication date: January 21, 2010
    Applicant: ROHTO PHARMACEUTICAL CO., LTD.
    Inventors: Harumasa Arita, Sayaka Ashikaga, Kaori Ogawa, Miyuki Nishimura