Patents by Inventor Motoyoshi Sugiyama

Motoyoshi Sugiyama 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).

  • Glass fiber
    Patent number: 7629279
    Abstract: The glass fiber of the present invention is formed of the glass composition including 50 to 60% SiO2, 0.1 to 10% Al2O3, 20 to 45% MgO+CaO+SrO+BaO, 0.5 to 20% TiO2, 0.1 to 10% ZrO2, and 0 to 2% Li2O+Na2O+K2O in terms of mol %, in which a BaO/CaO mol ratio is from 0.3 to 1.6.
    Type: Grant
    Filed: October 15, 2003
    Date of Patent: December 8, 2009
    Assignee: Nippon Electric Glass Co., Ltd.
    Inventors: Toshikatsu Tanaka, Shinji Nishibori, Hiroki Mochizuki, Motoyoshi Sugiyama
  • Glass composition and glass fiber
    Publication number: 20060165968
    Abstract: The glass fiber of the present invention is formed of the glass composition including 50 to 60% SiO2, 0.1 to 10% Al2O3, 20 to 45% MgO+CaO+SrO+BaO, 0.5 to 20% TiO2, 0.1 to 10% ZrO2, and 0 to 2% Li2O+Na2O+K20 in terms of mol %, in which a BaO/CaO mol ratio is from 0.3 to 1.6.
    Type: Application
    Filed: October 15, 2003
    Publication date: July 27, 2006
    Inventors: Toshikatsu Tanaka, Shinji Nishibori, Hiroki Mochizuki, Motoyoshi Sugiyama