ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,278, issued on Nov. 4, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Power storage device" was invented by Hiroyuki Nakayama (Okazaki, Japan) and Masashi Kato (Konan, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power storage device includes power storage cells stacked in one direction, a case for accommodating the power storage cells, and a restriction unit placed in the case and restricting a relative displacement of each power storage cell to the case in the one direction. The restriction unit shows a first modulus of elasticity when each power storage cell is displaced relative to the case at a first velocity and shows a second ...