Patents by Inventor Kazuteru Ohkura

Kazuteru Ohkura 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).

  • Ceramic joint body
    Patent number: 6921881
    Abstract: A ceramic joint body including a ceramic substrate and a ceramic body such as a cylindrical body firmly bonded to each other and excellent in corrosion resistance in the ceramic substrate for use for a semiconductor product producing/examining the step. The ceramic bonded body includes a ceramic substrate in which a conductor is provided, and a ceramic body bonded to a bottom face of the ceramic substrate. The ceramic bonded body has a region, where no conductor is formed, in at least a part of a region above a bonding interface between the ceramic substrate and the ceramic body.
    Type: Grant
    Filed: August 12, 2002
    Date of Patent: July 26, 2005
    Assignee: Ibiden Co., Ltd.
    Inventors: Yasutaka Ito, Kazuteru Ohkura
  • Ceramic joint body
    Publication number: 20040071945
    Abstract: An object of the present invention is to provide a ceramic bonded body comprising a ceramic substrate and a ceramic body such as a cylindrical body firmly bonded to each other and excellent in corrosion resistance in the ceramic substrate for the use for a semiconductor product producing/examining step. The ceramic bonded body according to the present invention comprises: a ceramic substrate in which a conductor is provided; and a ceramic body bonded to a bottom face of the ceramic substrate The ceramic bonded body has a region, where no conductor is formed, in at least a part of a region above a bonding interface between the ceramic substrate and the ceramic body.
    Type: Application
    Filed: November 6, 2003
    Publication date: April 15, 2004
    Inventors: Yasutaka Ito, Kazuteru Ohkura