ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,384,554, issued on Aug. 12, was assigned to MITSUBISHI HEAVY INDUSTRIES LTD. (Tokyo).

"Electric fan and electric aircraft" was invented by Junji Iwatani (Tokyo), Takehiko Imai (Tokyo), Yasutaka Aoki (Tokyo), Masayuki Sakai (Tokyo), Naotaka Uchimichi (Tokyo), Tsuyoshi Kitamura (Tokyo) and Akihiro Nakaniwa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric fan includes: an electric motor that includes an output shaft extending along an axis line and a tubular housing centered on the axis line; an inner duct provided on a downstream side of the electric motor; a plurality of blades mounted on the output shaft; and a cooling member having a p...