ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,556, issued on Jan. 20, was assigned to YAMAHA HATSUDOKI K.K. (Shizuoka, Japan).
"Vehicle" was invented by Tatsuya Tanaka (Shizuoka, Japan) and Kensuke Kamada (Shizuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vehicle includes a first suspension between a body and a front wheel, and a second suspension between the body and a rear wheel. An angle Theta1 represents a ramp brake-over angle, and angles Theta2, Theta3, and Theta4 respectively represent angles corresponding to the ramp brake-over angle when the first and the second suspension are fully stretched, fully compressed and fully stretched respectively, and fully stretched and ful...