ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,644, issued on Sept. 9, was assigned to MITSUI KINZOKU ACT Corp. (Kanagawa, Japan).
"Door latch device and actuator" was invented by Shunsuke Tamura (Kanagawa, Japan) and Naoji Yamamoto (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A door latch device includes: a rotating body; first and second levers; a lock mechanism on which an unlocking operation is performed and an open link is disposed in an unlocked position; and a latch mechanism. Further, the lock mechanism includes a lock lever which causes the open link to rotate when being operated by rotation of the rotating body, the rotating body is provided with two tilted walls so...