US Patent Issued to SEIKO EPSON on Nov. 3 for "Magnetic bead, magnetic bead dispersion liquid, and method of manufacturing same" (Japanese Inventor)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,784,950, issued on Nov. 3, was assigned to SEIKO EPSON Corp. (Tokyo).

"Magnetic bead, magnetic bead dispersion liquid, and method of manufacturing same" was invented by Akira Arai (Shimosuwa-machi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a magnetic bead that includes a magnetic metal powder and a coating layer with which a surface of the magnetic metal powder is coated. D50, which is a 50% particle diameter on a volume basis in a particle size distribution, is 0.5 micro metre to 10 micro metre, a density is 5.0 g/cc to 7.5 g/cc, and a coercive force is 800 A/m or less."

The patent was filed on Oct. 26, 2023, under Applicat...