Patents by Inventor Yosuke INAI

Yosuke INAI 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).

  • ALKALI-FREE FLOAT SHEET GLASS, AND METHOD FOR PRODUCING ALKALI-FREE FLOAT SHEET GLASS
    Publication number: 20170066682
    Abstract: The present invention relates to an alkali-free float sheet glass having a glass transition point of from 730 to 850° C. and a temperature T4 of from 1220 to 1350° C., and containing, indicated by mass % on the basis of oxides: SiO2: 57 to 65%, Al2O3: 14 to 23%, B2O3: 0 to 5.5%, MgO: 1 to 8.5%, CaO: 3 to 12%, SrO: 0 to 10%, and BaO: 0 to 5%, satisfying MgO+CaO+SrO+BaO of from 12 to 23%, containing F in an amount of from 0.1 to 0.35 mass %, containing Cu in an amount of from 0.3 to 3 mass ppm, containing Cl in an amount of from 0 to 0.05 mass %, and satisfying a ratio f1/f2 of from 0.05 to 0.5.
    Type: Application
    Filed: November 21, 2016
    Publication date: March 9, 2017
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Shiro TANII, Kazutaka ONO, Hirofumi TOKUNAGA, Yosuke INAI, Daisuke KOBAYASHI