US Patent Issued to NIPPON ELECTRIC GLASS on Sept. 15 for "Crystallized glass" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,348, issued on Sept. 15, was assigned to NIPPON ELECTRIC GLASS Co. LTD. (Otsu, Japan).

"Crystallized glass" was invented by Takahiro Matano (Otsu, Japan), Yuki Yokota (Otsu, Japan), Atsushi Tanaka (Otsu, Japan), Tomonori Ichimaru (Otsu, Japan), Yoshihisa Takayama (Otsu, Japan) and Ken Yuki (Otsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A crystallized glass contains: from 58 to 70% of SiO2, from 15 to 30% of Al2O3, from 2 to 10% of Li2O, from 0 to 10% of Na2O, from 0 to 10% of K2O, from 0 to 15% of Na2O+K2O, from 0 to 15% of MgO+CaO+SiO+BaO+ZnO, from 0.1 to 6% of SnO2, from 0.5 to 6% of ZrO2, from 0 to 4% of TiO2, and from 0 to 6% of P2...