ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,152, issued on Sept. 23, was assigned to NIPPON ELECTRIC GLASS Co. LTD. (Shiga, Japan).
"Method for producing glass film" was invented by Riku Yamashiro (Shiga, Japan) and Hiroki Mori (Shiga, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a method of manufacturing a glass film, in a cutting step, a crack (CR) formed in a non-product portion (Gc1, Gc2) along a longitudinal direction of a glass film (G2) is guided by a guiding member (17a, 17b) so as to propagate to an outer end portion (Gd) of the non-product portion (Gc1, Gc2) in a width direction."
The patent was filed on Jan. 8, 2021, under Application No. 17/777,355.
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