Patents by Inventor Akira Ishiai

Akira Ishiai 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).

  • METAL MATERIAL FOR BIOIMPLANT
    Publication number: 20130013082
    Abstract: A metal material for a bioimplant which is excellent in biointegration according to the present invention has a surface treated by sandblasting, and the surface has an average roughness Ra of 1 to 2.5 ?m and is made free from residual abrasive used in the sandblasting treatment by washing with water after the sandblasting treatment and the composition of the metal material surface does not change before and after the sandblasting treatment. According to the present invention, it is possible to provide a bioimplant metal material from which an abrasive used for sandblasting treatment can be easily removed by washing with water and which is excellent in biointegration to a bone or the like since having a good roughened surface and a production method thereof.
    Type: Application
    Filed: March 17, 2011
    Publication date: January 10, 2013
    Applicant: KYOCERA Medical Corporation
    Inventors: Akira Ishiai, Noriyuki Ishida, Fusako Shibata, Sumihiko Maeno