Patents by Inventor Yuriko BANNO

Yuriko BANNO 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).

  • CHEMICALLY STRENGTHENED GLASS AND METHOD FOR MANUFACTURING CHEMICALLY STRENGTHENED GLASS
    Publication number: 20220274869
    Abstract: A chemically strengthened glass having a thickness t of 2 mm or less, having a compressive stress value (CS90) at a portion of 90 ?m deep from a glass surface being 25 MPa or more, and satisfying a number of fragments generated within a size of 25 mm×25 mm being 20 or less in a fracture test according to an indenter indentation test under a condition of holding a load ranging from 5 kgf to 10 kgf for 15 seconds with a pyramidal diamond indenter having an indenter angle of a facing angle of 60°.
    Type: Application
    Filed: May 18, 2022
    Publication date: September 1, 2022
    Applicant: AGC Inc.
    Inventors: Suguru MURAYAMA, Yuriko BANNO
  • Chemically strengthened glass and method for manufacturing chemically strengthened glass
    Patent number: 11390560
    Abstract: A chemically strengthened glass having a thickness t of 2 mm or less, having a compressive stress value (CS90) at a portion of 90 ?m deep from a glass surface being 25 MPa or more, and satisfying a number of fragments generated within a size of 25 mm×25 mm being 20 or less in a fracture test according to an indenter indentation test under a condition of holding a load ranging from 5 kgf to 10 kgf for 15 seconds with a pyramidal diamond indenter having an indenter angle of a facing angle of 60°.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: July 19, 2022
    Assignee: AGC INC.
    Inventors: Suguru Murayama, Yuriko Banno
  • Chemically strengthened glass and method for manufacturing chemically strengthened glass
    Patent number: 11365149
    Abstract: A chemically strengthened glass having a thickness t of 2 mm or less, having a compressive stress value (CS90) at a portion of 90 ?m deep from a glass surface being 25 MPa or more, and satisfying a number of fragments generated within a size of 25 mm×25 mm being 20 or less in a fracture test according to an indenter indentation test under a condition of holding a load ranging from 5 kgf to 10 kgf for 15 seconds with a pyramidal diamond indenter having an indenter angle of a facing angle of 60°.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: June 21, 2022
    Assignee: AGC INC.
    Inventors: Suguru Murayama, Yuriko Banno
  • CHEMICALLY STRENGTHENED GLASS AND METHOD FOR MANUFACTURING CHEMICALLY STRENGTHENED GLASS
    Publication number: 20190292099
    Abstract: A chemically strengthened glass having a thickness t of 2 mm or less, having a compressive stress value (CS90) at a portion of 90 ?m deep from a glass surface being 25 MPa or more, and satisfying a number of fragments generated within a size of 25 mm×25 mm being 20 or less in a fracture test according to an indenter indentation test under a condition of holding a load ranging from 5 kgf to 10 kgf for 15 seconds with a pyramidal diamond indenter having an indenter angle of a facing angle of 60°.
    Type: Application
    Filed: June 13, 2019
    Publication date: September 26, 2019
    Applicant: AGC INC.
    Inventors: Suguru MURAYAMA, Yuriko BANNO
  • CHEMICALLY STRENGTHENED GLASS AND METHOD FOR MANUFACTURING CHEMICALLY STRENGTHENED GLASS
    Publication number: 20180319706
    Abstract: A chemically strengthened glass having a thickness t of 2 mm or less, having a compressive stress value (CS90) at a portion of 90 ?m deep from a glass surface being 25 MPa or more, and satisfying a number of fragments generated within a size of 25 mm×25 mm being 20 or less in a fracture test according to an indenter indentation test under a condition of holding a load ranging from 5 kgf to 10 kgf for 15 seconds with a pyramidal diamond indenter having an indenter angle of a facing angle of 60°.
    Type: Application
    Filed: July 11, 2018
    Publication date: November 8, 2018
    Applicant: AGC INC.
    Inventors: Suguru MURAYAMA, Yuriko BANNO