ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,694, issued on June 17, was assigned to Hitachi Ltd. (Tokyo).
"Rail vehicle" was invented by Hideyuki Nakamura (Tokyo), Mitsuo Iwasaki (Tokyo), Takashi Miyanaga (Tokyo), Kimiyasu Yoshimura (Tokyo), Hiromitsu Nagarekawa (Tokyo) and Shinji Kinoshita (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rail vehicle includes a roof structure, a side structure, a gable end structure, and an underframe. The underframe is configured from a hollow shaped member that includes a first upper side face plate arranged at a central portion in a widthwise direction of the underframe, a first lower side face plate arranged at the central portion, a second upper ...