ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,213, issued on April 14, was assigned to KYOCERA Corp. (Kyoto, Japan).

"Inductor core, electronic pen core body portion, electronic pen, and input device" was invented by Hitomi Ochiai (Omihachiman, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An inductor core includes a tubular shaped or pillar shaped magnetic main body comprising a magnetic material. The magnetic main body includes: an inclined portion including an inclined surface with an outer circumferential surface of a truncated cone having an outer diameter increasing from one end of the magnetic main body toward the other end; and a straight body portion that is coaxial with the in...