Patents by Inventor Motokazu OGATA

Motokazu OGATA 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).

  • METHOD FOR PRODUCING GLASS ARTICLE AND GLASS ARTICLE
    Publication number: 20220388887
    Abstract: A method of manufacturing a glass article includes a forming step of causing a first molten glass (Gm1) including P2O5 to flow down along a surface of a forming trough (15) including an yttrium-containing oxide by a down-draw method to form a glass ribbon (G), wherein the forming trough (15) includes a Mg-rich layer (MR) serving as a diffusion suppression layer for suppressing diffusion of the yttrium-containing oxide on the surface thereof.
    Type: Application
    Filed: December 2, 2020
    Publication date: December 8, 2022
    Inventors: Mutsumu FUKADA, Motokazu OGATA, Mina MABUCHI
  • TOUGHENED GLASS SUBSTRATE AND MANUFACTURING PROCESS THEREFOR
    Publication number: 20150093581
    Abstract: An object is to devise a tempered glass substrate that has high mechanical strength and hardly undergoes breakage even though having a large size. A tempered glass substrate has a compressive stress layer in a surface thereof, and includes 1 piece/cm3 or less of devitrified stones containing Zr.
    Type: Application
    Filed: December 4, 2014
    Publication date: April 2, 2015
    Inventors: Takashi MURATA, Takako TOJYO, Motokazu OGATA