Patents by Inventor Shogo Miyagi

Shogo Miyagi 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).

  • Pranoprofen eyedrops containing organic amine
    Patent number: 6281224
    Abstract: An ophthalmic solution containing 0.01 to 0.5 weight % of pranoprofen and 0.1 to 5.0 weight % of an organic amine, such as tromethamine or 4-(2-hydroxyethyl)-1-(2-sulfoethyl)piperazine. Such solution has a desirable stability and does not cause undue irritation when administered to eyes to treat an inflammatory disease such as keratoconjunctivitis.
    Type: Grant
    Filed: October 20, 1997
    Date of Patent: August 28, 2001
    Assignee: Santen Pharmaceutical Co., Ltd.
    Inventors: Shogo Miyagi, Yoshihide Horibe