ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,232,261, issued on Feb. 18, was assigned to SUMITOMO ELECTRIC PRINTED CIRCUITS INC. (Koka, Japan) and SUMITOMO ELECTRIC INDUSTRIES LTD. (Osaka, Japan).

"Printed wiring board" was invented by Kou Noguchi (Koka, Japan) and Masaki Miyabara (Koka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A printed wiring board includes: a board having a through-hole; a land portion that is disposed on an inner circumferential surface of the through-hole and on a surface of the board at a circumferential edge of the through-hole, and that has a through-hole conductor portion; and a wire that is disposed on the surface of the board and that has one longitudinal en...