ALEXANDRIA, Va., Oct. 21 -- United States Patent no. D1,154,410, issued on Oct. 20, was assigned to GEM S.T.S. Co. LTD. (Tokyo).

"Gemstone" was invented by Shu Shiraishi (Tokyo), Hiroyuki Koganei (Kanagawa, Japan) and Tsubasa Koganei (Kanagawa, Japan).

The patent was filed on May 1, 2025, under Application No. D/002,102.

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