ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,306, issued on April 15, was assigned to YAMAHA HATSUDOKI K.K. (Iwata, Japan).
"Series hybrid type straddled vehicle" was invented by Naoki Kitamura (Shizuoka, Japan) and Yasushi Takemoto (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A straddled vehicle including a frame structure having a frame body, a rear arm swingably supported by the frame structure, a driving wheel rotatably supported by the rear arm, a drive motor supported by the frame structure or the rear arm, and an electric power generation unit supported by the frame body but not by the rear arm. The electric power generation unit includes: an electric power generation ...