ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,519, issued on Oct. 27, was assigned to TDK Corp. (Tokyo) and NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY (Sapporo, Japan).
"Dielectric composition, capacitive element, visible-light photocatalytic material, and visible-light photoelectric conversion element" was invented by Kumiko Yamazaki (Tokyo), Shuto Kano (Tokyo), Yuji Masubuchi (Sapporo, Japan) and Shinichi Kikkawa (Suita, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dielectric composition comprises a crystal of an oxynitride. A peak attributed to absence of a center of symmetry of the crystal of the oxynitride is detected by Raman spectroscopy of the dielectric composition w...