ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,238, issued on April 21, was assigned to TDK Corp. (Tokyo).
"Coil device" was invented by Takashi Ishii (Tsuruoka-city, Japan), Takashi Kudo (Tokyo) and Hirofumi Sasaki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A coil device includes: an inner core including a winding core portion wound by a wire, an upper flange portion with a first end portion on one side of the winding core portion, and a lower flange portion with a second end portion on the other side of the winding core portion; an outer core having an insertion hole and disposed outside the inner core, the inner core being inserted to the insertion hole; and a pair of terminal por...