Patents by Inventor Rika Higashino

Rika Higashino 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).

  • Medical material and process for producing the same
    Patent number: 5756553
    Abstract: A medical material of the present invention comprises a polymer or copolymer of a vinyl derivative having a polar group, said polymer or copolymer containing an antiplatelet agent. Since the antiplatelet agent can be continuously dissolved in the active concentration, the material has high anticoagulant activity and inhibition action of platelet loss due to activation of platelet.
    Type: Grant
    Filed: March 21, 1995
    Date of Patent: May 26, 1998
    Assignees: Otsuka Pharmaceutical Factory, Inc., Otsuka Pahrmaceutical Co., Ltd.
    Inventors: Seiichiro Iguchi, Rika Higashino