ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,838, issued on April 14, was assigned to NIPPON STEEL CHEMICAL & MATERIAL Co. LTD. (Tokyo).
"Spherical alumina particle mixture, method for producing same, and resin composite composition and resin composite body each containing said spherical alumina particle mixture" was invented by Ryutaro Numao (Tokyo), Yasuhiro Aoyama (Tokyo), Masanori Ae (Tokyo), Mutsuhito Tanaka (Tokyo) and Katsumasa Yagi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A spherical alumina particle mixture able to improve a thermal conductivity and keep down a viscosity of a resin composition formed when kneading the mixture with a resin and a method for producing the s...