ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,759, issued on Oct. 21, was assigned to SEIKO INSTRUMENTS INC. (Chiba, Japan).

"Portable terminal, printing control method, and program" was invented by Yohei Ishidoya (Chiba, Japan), Shohei Nomura (Chiba, Japan), Koki Yoshida (Chiba, Japan) and Soshiro Aoki (Chiba, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A portable terminal has a thermal head. The portable terminal includes a first sensor unit configured to detect presence or absence of a sheet, a second sensor unit configured to detect information related to a mark provided on the sheet, and a sheet determination unit configured to determine a kind of the sheet. The sheet determinatio...