Patents by Inventor Kazutoshi Shigematsu

Kazutoshi Shigematsu 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).

  • Jiggering method and profile tool for ceramic ware plastic clay
    Patent number: 4857256
    Abstract: Jiggering for ceramic ware is effected while providing a jiggering surface of a jiggering profile tool with a gas to produce a thin gas film between the jiggering surface and plastic clay. The gas film is formed by a gas fed from the outside of the jiggering surface and the jiggering profile tool is heated to 50.degree.-60.degree. C. High-temperature heating of the tool is dispensed with.
    Type: Grant
    Filed: May 7, 1987
    Date of Patent: August 15, 1989
    Inventors: Shigemi Fujii, Eisuke Kumazaki, Kazutoshi Shigematsu
  • Jiggering method and profile tool for ceramic ware plastic clay
    Patent number: 4786457
    Abstract: Jiggering for ceramic ware is effected while providing a jiggering surface of a jiggering profile tool with a gas to produce a thin gas film between the jiggering surface and plastic clay. The gas film is formed by a gas fed through or from the outside of the jiggering surface. High-temperature heating of the tool is dispensed with.
    Type: Grant
    Filed: October 7, 1985
    Date of Patent: November 22, 1988
    Assignee: Noritake Co., Limited
    Inventors: Shigemi Fujii, Eisuke Kumazaki, Kazutoshi Shigematsu