ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,290, issued on Oct. 21, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).
"Capacitor" was invented by Yosuke Hagihara (Osaka, Japan) and Kazushi Yoshida (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A capacitor includes a silicon substrate, a first terminal, a dielectric layer, a conductive portion, and a second terminal. The silicon substrate has a principal surface and a porous part. The principal surface includes an opening region and a non-opening region other than the opening region. The porous part has an opening in the opening region. The first terminal is electrically connected to the silicon ...