US Patent Issued to NIPPON ELECTRIC GLASS on Dec. 30 for "Glass plate and method for manufacturing glass plate" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,385, issued on Dec. 30, was assigned to NIPPON ELECTRIC GLASS Co. LTD. (Shiga, Japan).

"Glass plate and method for manufacturing glass plate" was invented by Takahide Fujii (Shiga, Japan) and Hisatoshi Aiba (Shiga, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a glass sheet includes: an initial crack forming step of forming an initial crack on a mother glass sheet (MG); and a cleaving step of causing a crack (CR) to propagate in a direction along a preset cleaving line (CL) and in a thickness direction of the mother glass sheet (MG), the crack starting from the initial crack, through use of a thermal stress generated...