ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,405, issued on Oct. 7, was assigned to NGK INSULATORS Ltd. (Nagoya, Japan).

"Method and device for producing honeycomb structure" was invented by Yuto Naito (Hashima-Gun, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a honeycomb structure according to the present invention includes: a preparation step of preparing a honeycomb structure element 2 having plurality of slits 12; and a filling step of filling the plurality of slits 12 with a filling material 13 by a contacting member 3 by feeding the filling material 13 to an outer peripheral surface 20 of the honeycomb structure element 2, and rotating the honeycomb structur...