ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,795, issued on May 19, was assigned to TOSOH Corp. (Yamaguchi, Japan).
"Cell culture substrate, method for producing cell culture substrate, and method for producing spheroids" was invented by Goshi Kuno (Mie, Japan) and Yu Imaizumi (Mie, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "There are provided a cell culture substrate that enables efficient spheroid formation for cells and can form spheroids having a uniform size and an arbitrary shape at a high cell viability, a method for producing the cell culture substrate, and a method of producing spheroids in which the cell culture substrate is used and a cell viability inside of the spheroids ...