US Patent Issued to NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY on May 27 for "Rare-earth complex, light-emitting material, light-emitting object, light-emitting device, interlayer for laminated glass, laminated glass, windshield for vehicle, wavelength conversion material, and security material" (Japanese Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,369, issued on May 27, was assigned to NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY (Sapporo, Japan).

"Rare-earth complex, light-emitting material, light-emitting object, light-emitting device, interlayer for laminated glass, laminated glass, windshield for vehicle, wavelength conversion material, and security material" was invented by Yuichi Kitagawa (Sapporo, Japan), Marina Kumagai (Sapporo, Japan), Yasuchika Hasegawa (Sapporo, Japan), Takayuki Nakanishi (Sapporo, Japan) and Koji Fushimi (Sapporo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rare-earth complex including a rare-earth ion, and a ligand coordinate-bonded to the rare-...