GLASS SUBSTRATE, CHEMICALLY STRENGTHENED GLASS SUBSTRATE AND COVER GLASS, AND METHOD FOR MANUFACTRUING THE SAME

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20120052275A1
SERIAL NO

13219255

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Provided is a cover glass having a down-drawable composition including, in mass percent: 50%-70% SiO2, 5%-20% Al2O3, 6%-20% Na2O, 0%-10% K2O, 0%-10% MgO, above 2%-20% CaO, and 0%-4.8% ZrO2 wherein, (i) 46.5%≦(SiO2−½Al2O3)≦59%, (ii) 0.32+TiO2)/SiO2)<0.07, and (v) 0≦B2O3/R12O<0.1, where R12O represents a total mass percent of one or more compounds selected from the group consisting of Li2O, Na2O and K2O included in the glass substrate.

First Claim

See full text

Other Claims data not available

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
HOYA CORPORATIONSHINJUKU-KU TOKYO 160-8347
AVANSTRATE INC2 CHITOSE-CHO YOKKAICHI-SHI MIE 510-0051

International Classification(s)

loading....
  • 2011 Application Filing Year
  • C03C Class
  • 564 Applications Filed
  • 450 Patents Issued To-Date
  • 79.79 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20112012201320142015201620172018201920202021202220230255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
HASHIMOTO, Kazuaki Tokyo, JP 111 1203
KOYAMA, Akihiro Takarazuka-shi, JP 105 1751
MORISHITA, Mikiko Pyeongtaek-si, KR 3 128
TAKANO, Tetsuo Tokyo, JP 32 549

Cited Art Landscape

Load Citation

Patent Citation Ranking

  • 61 Citation Count
  • C03C Class
  • 99.53 % this patent is cited more than
  • 13 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges912843201021101 - 1011 - 2021 - 3031 - 4041 - 5071 - 80100 +0102030405060708090100110120130140

Forward Cite Landscape

Load Citation