US Patent Issued to FUJIFILM on Nov. 3 for "Immunochromatography" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,782,351, issued on Nov. 3, was assigned to FUJIFILM Corp. (Tokyo).

"Immunochromatography" was invented by Yoshihiro Aburaya (Ashigarakami-gun, Japan), Junichi Katada (Ashigarakami-gun, Japan), Atsuhiko Wada (Ashigarakami-gun, Japan) and Dai Ujihara (Ashigarakami-gun, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An immunochromatography includes steps of mixing a specimen capable of containing an antigen and a modified particle, which is a particle modified with a substance having a specific affinity to the antigen, to obtain a mixture containing particle composite bodies; sedimenting the particle composite bodies in the mixture using a centrifuge;...