ALEXANDRIA, Va., June 4 -- United States Patent no. 12,324,284, issued on June 3, was assigned to NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEM (Nagoya, Japan), OSAKA UNIVERSITY (Osaka, Japan) and NICHIA Corp. (Anan, Japan).

"Semiconductor nanoparticles, method of producing the semiconductor nanoparticles, and light-emitting device" was invented by Tsukasa Torimoto (Nagoya, Japan), Tatsuya Kameyama (Nagoya, Japan), Marino Kishi (Iwakura, Japan), Chie Miyamae (Nagoya, Japan), Susumu Kuwabata (Ibaraki, Japan), Taro Uematsu (Suita, Japan), Daisuke Oyamatsu (Tokushima, Japan) and Kenta Niki (Tokushima, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Semiconductor nanopa...