ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,676, issued on Dec. 30, was assigned to FUJIFILM Corp. (Tokyo).

"Cell structure, non-human model animal, method for producing non-human model animal, and method for evaluating test substance" was invented by Kentaro Nakamura (Ashigarakami-gun, Japan), Shinji Mima (Ashigarakami-gun, Japan), Tsukasa Kitahashi (Ashigarakami-gun, Japan) and Chihaya Kakinuma (Ashigarakami-gun, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a non-human model animal rich in stromal tissue, a cell structure useful for producing the above-described non-human model animal, a method for evaluating a test substance in which...