ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,817, issued on Aug. 5, was assigned to DENSO Corp. (Kariya, Japan).

"Ranging device" was invented by Masahiro Yamamoto (Kariya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ranging device is configured to emit a transmitted wave and detect a reflected wave from an object illuminated by the transmitted wave, thereby measuring a distance to the object. At least one of the transmitted wave and the reflected wave is transmitted through a transmission window. A heater is configured to heat the transmission window. A controller is configured to control energization of the heater in response to an outside temperature that is a temperature outside ...