Patents by Inventor Yuusuke Arima

Yuusuke Arima 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).

  • Bioactive ceramic coated surgical implant
    Patent number: 5480438
    Abstract: A metallic implant base is coated with two bioactive ceramic layers. An inner bioactive ceramic layer is coated on the implant base. An outer bioactive ceramic layer is coated on the inner bioactive ceramic layer. The inner bioactive layer is vitrified at a ratio of not less than 50 volume percent, thereby improving the bonding of the inner bioactive layer to the metallic implant base and preventing migration of the metal ions from the metallic implant base. The outer bioactive ceramic layer is vitrified to a ratio of substantially less than 50 volume percent, thereby providing a desired porosity.
    Type: Grant
    Filed: September 22, 1993
    Date of Patent: January 2, 1996
    Assignee: Mitsubishi Materials Corporation
    Inventors: Yuusuke Arima, Shinichi Miyamoto, Kensho Sahira