ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,864, issued on Dec. 30, was assigned to SEIKO EPSON Corp. (Japan).
"Regulator, movement, and watch" was invented by Reiko Nagahama (Shiojiri, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A regulator of the present disclosure includes a regulator pin having a pair of leg portions in which a hairspring is loosely fitted in a gap between the pair of leg portions, a regulator body configured to hold the regulator pin, and a pin support having an attachment portion that is detachably attached to the regulator pin or the regulator body, and a receiving portion that prevents the hairspring from being detached from the pair of leg portions."
The pa...