ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,309, issued on July 8, was assigned to NIPPON STEEL Corp. (Tokyo) and TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Crankshaft" was invented by Tatsuhiko Abe (Tokyo), Manabu Kubota (Tokyo), Satoru Okawa (Tokyo), Motoichi Murakami (Gotenba, Japan), Takashi Koyama (Mishima, Japan), Yusuke Morita (Mishima, Japan), Takeshi Fukui (Aichi-ken, Japan), Yusuke Inukai (Aichi-ken, Japan) and Yuichiro Kajiki (Aichi-ken, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A crankshaft with improved seizure resistance is provided. A crankshaft (10) is a crankshaft including journals (11) and pins (12), having a chemical composition of, in mass %: 0.35 to 0.40% C; up to 0...