Patents by Inventor Kazunori Yokosu

Kazunori Yokosu 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).

  • Patent number: 5370837
    Abstract: A high temperature heat-treating jig characterized by forming a tungsten layer or a tungsten alloy layer on the surface of a heat-resistant base to avoid discoloration and color shading during the heat treatment at a high temperature.
    Type: Grant
    Filed: January 12, 1994
    Date of Patent: December 6, 1994
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masanori Kibata, Noboru Kitamori, Shigeki Kajima, Kazunori Yokosu, Mituo Kawai, Hideo Ishihara, Noriaki Yagi
  • Patent number: 5288561
    Abstract: A high temperature heat-treating jig characterized by forming a tungsten layer or a tungsten alloy layer on the surface of a heat-resistant base to avoid discoloration and color shading during the heat treatment at a high temperature.
    Type: Grant
    Filed: October 30, 1991
    Date of Patent: February 22, 1994
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masanori Kibata, Noboru Kitamori, Shigeki Kajima, Kazunori Yokosu, Mituo Kawai, Hideo Ishihara, Noriaki Yagi