ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,597, issued on March 17, was assigned to Seiko Epson Corp. (Tokyo).

"Attitude adjustment method" was invented by Masayuki Gozu (Ina, Japan), Tatsuya Teramoto (Shiojiri, Japan) and Kota Noguchi (Matsumoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An attitude adjustment method includes (a) fixing an attitude of a first heating unit by an attitude changing portion with a heating surface and a modeling surface or a jig provided in parallel to the modeling surface in contact in a first planar position, (b) measuring flatness of the heating surface by a planar sensor for measuring the flatness of the heating surface, (c) determining a second ...