Patents by Inventor Kimiko Sakata

Kimiko Sakata 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/ceramic or ceramic/ceramic bonded structure
    Patent number: 4911987
    Abstract: A bonded structure of a metal and a ceramic, in which a layer of the ceramic is coated on the surface of the metal as a substrate through an interlayer, or in which a layer of the metal is coated on the surface of the ceramic as a substrate through an interlayer, wherein said interlayer consists of(a) a composition composed of 0.2 to 4 mole % of yttria and a balanced mole % of the main component of the metal to bonded in which a powder of said metal and a powder of yttria are intimately mixed and then given a mechanical impact whereby the two powders are bonded to each other to form a nearly spherical composite powder or(b) a composite composed of 0.
    Type: Grant
    Filed: August 1, 1989
    Date of Patent: March 27, 1990
    Assignee: National Research Institute for Metals
    Inventors: Kimiko Sakata, Tadao Tokushima