ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,183, issued on May 20, was assigned to MURATA MANUFACTURING Co. LTD. (Nagaokakyo, Japan).
"Solid electrolytic capacitor" was invented by Kyotaro Mano (Nagaokakyo, Japan) and Yasutake Fukuda (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A solid electrolytic capacitor that includes: a valve-action metal substrate including a porous portion at a surface thereof; a dielectric layer on the porous portion; a solid electrolyte layer on the dielectric layer; a conductive layer on the solid electrolyte layer; and a cathode lead-out layer on the conductive layer. When viewed in a thickness direction, the solid electrolyte layer includes a ...