ALEXANDRIA, Va., June 12 -- United States Patent no. 12,300,437, issued on May 13, was assigned to TAIYO YUDEN Co. LTD. (Tokyo).

"Ceramic electronic device and manufacturing method of the same" was invented by Hidetoshi Masuda (Takasaki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ceramic electronic device includes a multilayer chip in which dielectric layers and internal electrode layers are alternately stacked. The internal electrode layers include a main component element and a sub-element. The dielectric layers include a plurality of crystal grains. A segregation portion, in which the sub-element is segregated in shell portions and a grain boundary of the plurality of crystal grains and a sub-...