Patents Assigned to Akiyoshi Osaka
  • Biocompatible titanium implant
    Patent number: 5855612
    Abstract: A biocompatible titanium implant with a modified exterior surface having a covering layer that comprises a hydrated titania gel. The exterior surface of the titanium implant is processed by a hydrogen peroxide aqueous solution that contains metal ions which not only promotes a reaction between the titanium implant and the hydrogen peroxide aqueous solution but also provides a high apatite formation ability to the hydrated titania gel on the surface of the implant.
    Type: Grant
    Filed: May 10, 1996
    Date of Patent: January 5, 1999
    Assignees: Ohta Inc., Akiyoshi Osaka
    Inventors: Chikara Ohthuki, Akiyoshi Osaka, Hirohisa Iida, Keizo Ohta