ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,389,724, issued on Aug. 12, was assigned to National University Corporation Tokai National Higher Education and Research System (Nagoya, Japan), OSAKA UNIVERSITY (Suita, Japan) and NICHIA Corp. (Anan, Japan).

"Method for producing semiconductor nanoparticles and light-emitting device" was invented by Tsukasa Torimoto (Nagoya, Japan), Tatsuya Kameyama (Nagoya, Japan), Chie Miyamae (Nagoya, Japan), Susumu Kuwabata (Ibaraki, Japan), Taro Uematsu (Suita, Japan) and Tomoya Kubo (Tokushima, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method for producing semiconductor nanoparticles. The method includes: providing first semiconductor nan...