ALEXANDRIA, Va., May 15 -- United States Patent no. 11,981,849, issued on May 14, was assigned to NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEM (Nagoya, Japan), OSAKA UNIVERSITY (Suita, 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), Hiroki Yamauchi (Nagoya, Japan), Chie Miyamae (Nagoya, Japan), Yuki Mori (Nagoya, Japan), Susumu Kuwabata (Ibaraki, Japan), Taro Uematsu (Suita, Japan) and Daisuke Oyamatsu (Tokushima, Japan).

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