ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,752,907, issued on Oct. 6, was assigned to DENSO Corp. (Kariya, Japan).

"Propulsion device, propulsion control device, and computer readable storage medium" was invented by Yuichi Takemura (Kariya-city, Japan), Mariko Hashimoto (Kariya-city, Japan), Shinsuke Kawazu (Kariya-city, Japan), Jiro Hayashi (Kariya-city, Japan), Hideaki Suzuki (Kariya-city, Japan) and Keita Fujii (Kariya-city, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lock device can be shifted between a locked state and an unlocked state. The lock device includes a lock pin, a solenoid, and a pressing unit. The lock pin is movable between a locked position where a propeller is lock...