ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,184, issued on Dec. 2, was assigned to Pale Blue Inc. (Chiba, Japan) and THE UNIVERSITY OF TOKYO (Tokyo).

"DC block and plasma generator using the same" was invented by Hiroyuki Koizumi (Tokyo), Yasuho Ataka (Tokyo), Jun Asakawa (Chiba, Japan), Kazuya Yaginuma (Chiba, Japan), Yuichi Nakagawa (Chiba, Japan), Kohei Shimamura (Ibaraki, Japan) and Sei Mizojiri (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A configuration is provided in which two high-frequency power transmission antennas 111, 121 formed on two microstrip lines 101, 102, respectively, are disposed to face each other with an insulating sheet 103 interposed between the two...