ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,850, issued on Nov. 4, was assigned to NIPPON ELECTRIC GLASS Co. LTD. (Shiga, Japan).
"Glass production method" was invented by Kazuto Nakatsuka (Otsu, Japan) and Tsubasa Kagai (Otsu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a glass production method with which oxidation can be easily prevented and productivity can be increased. The glass production method includes a step of allowing a melt (11), which is obtained by melting a glass raw material, to flow into a mold (13) and a step of cooling the melt (11) to yield a glass (18). A partition member (16) is disposed in the mold (13), forming an inflow portion (17) surrounded by ...