ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,828, issued on July 15, was assigned to NIPPON ELECTRIC GLASS Co. LTD. (Shiga, Japan).
"Glass plate manufacturing method" was invented by Tsuyoshi Okuno (Shiga, Japan), Hisatoshi Aiba (Shiga, Japan) and Takahide Fujii (Shiga, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "This method includes a laser irradiation step of radiating, in at least a part of a preset cleaving line (CL) of a mother glass sheet (MG), laser light (L) to a position (OSP) separated from the preset cleaving line (CL) so that a crack (CR2) propagates along the preset cleaving line (CL)."
The patent was filed on Jan. 12, 2021, under Application No. 17/789,897.
*For furthe...