ALEXANDRIA, Va., June 4 -- United States Patent no. 12,322,553, issued on June 3, was assigned to TDK Corp. (Tokyo).

"Dielectric composition and multilayer ceramic electronic component" was invented by Yuichiro Sueda (Tokyo), Kengo Aizawa (Tokyo), Shota Kumagai (Tokyo), Takeshi Shouji (Tokyo), Satoshi Sugawara (Tokyo), Masatoshi Tarutani (Tokyo), Atsushi Yamada (Yurihonjo, Japan) and Manabu Kumagai (Yurihonjo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dielectric composition, including: dielectric grains containing a main component represented by a composition formula [(CaxSr(1-x))O]m[(TiyHfzZr(1-y-z))O2] (m is more than 1.020); a grain boundary phase located between the dielectric grains; and se...