ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,537,435, issued on Jan. 27, was assigned to AutoNetworks Technologies Ltd. (Yokkaichi, Japan), Sumitomo Wiring Systems Ltd. (Yokkaichi, Japan) and Sumitomo Electric Industries Ltd. (Osaka, Japan).

"Latch circuit and power supply control device" was invented by Ryohei Sawada (Yokkaichi, Japan), Masaya Ina (Yokkaichi, Japan) and Kota Oda (Yokkaichi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a first switch of a latch circuit, when the voltage between an emitter (input end) and a base (control end) has increased to a threshold voltage or more, the first switch is switched from off to on. The current that flows through a first resistor and a se...