Patents by Inventor Hirohisa Iida

Hirohisa Iida 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).

  • 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