Patents by Inventor Yoshiyuki Motoyoshi

Yoshiyuki Motoyoshi 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).

  • Heating apparatus
    Patent number: 5229576
    Abstract: A heating apparatus provided with a double layered heat-insulating material. This heat-insulating material includes an inner layer portion constituted by an alumina fiber/inorganic filler/inorganic binder and having a bulk density of 0.3 to 0.8 g/cm.sup.3, and an outer layer portion integrally laminated on the inner layer portion, and constituted by an alumina silica fiber/ inorganic binder and having a bulk density of 0.2 to 0.4 g/cm.sup.3 which is smaller than that of the inner layer portion.
    Type: Grant
    Filed: February 28, 1992
    Date of Patent: July 20, 1993
    Assignee: Tokyo Electron Sagami Limited
    Inventors: Ken Nakao, Seiji Sakurai, Yoshihisa Miyahara, Yoshiyuki Motoyoshi