Patents by Inventor Shozo Tateyama

Shozo Tateyama 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).

  • Ceramics, ceramic blank, manufacturing method thereof, sanitary earthenware and manufacturing method thereof
    Patent number: 6242117
    Abstract: Ceramics with a glaze applied to the surface of ceramic blank, the bending strength of which ceramic blank is 100 Mpa or higher or the firing shrinkage rate is 7% or higher and the porosity is 7.5% or higher.
    Type: Grant
    Filed: July 16, 1998
    Date of Patent: June 5, 2001
    Assignee: Toto Ltd.
    Inventors: Naoki Koga, Masaki Taneo, Motoshi Yasuda, Shozo Tateyama, Akio Matsumoto, Toshiya Nishikawa, Masato Otsu, Fumio Hongo