ALEXANDRIA, Va., May 19 -- United States Patent no. 12,635,071, issued on May 19, was assigned to TDK Corp. (Tokyo).

"Circuit board" was invented by Mikihiro Kumon (Tokyo) and Teruyasu Sugioka (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a circuit board in which a conductor pattern having an annular structure is exposed to the surface thereof. The conductor pattern includes first and second land pattern parts and a first connection part connecting the first and second land pattern parts. The first connection part includes a first section connected to the first land pattern part, a second section connected to the second land pattern part, and a third section connecting the first a...