ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,644, issued on March 18, was assigned to EPOCH COMPANY LTD. (Tokyo).
"Fusible toy bead" was invented by Ryo Sakai (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a fusible toy bead containing a pigment as a colorant and a water-soluble resin, in which the pigment contains a gold or silver pigment, and the fusible toy comprising at least one weld line formed on a surface of the bead. A total content of the gold or silver pigment may be 45 wt % or more with respect to a total content of the pigment, and the gold or silver pigment may be a pearl powder."
The patent was filed on Oct. 17, 2022, under Application N...