ALEXANDRIA, Va., July 21 -- United States Patent no. 12,688,976, issued on July 21, was assigned to Panasonic Intellectual Property Management Co. Ltd. (Osaka, Japan).

"Electrolytic capacitor having reduced equivalent series resistance (ESR) and production method for same" was invented by Yoshiaki Ishimaru (Saga Ken, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an electrolytic capacitor including: an electrode foil; and a lead member that is connected to the electrode foil. The lead member includes a lead wire and a plate-shaped tab portion that is provided at one end portion of the lead wire. The tab portion has a surface with an arithmetic average roughness Ra of 4 micro metre or more....