ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,392, issued on Jan. 20, was assigned to Max Co. Ltd. (Tokyo).
"Refill" was invented by Takushi Shindo (Tokyo), Futoshi Kameda (Tokyo) and Kazuhiko Kishi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A refill includes: a bottom wall; a first side wall; a second side wall; and a front wall in which a discharge opening is formed. The first side wall includes, in a part thereof in a stacking direction, a first inclined wall extending in a coupling direction of staples and inclined in an axial direction. The second side wall includes, in a part thereof in the stacking direction, a second inclined wall extending in the coupling direction of the st...