ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,911, issued on April 14, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Crushing and classifying device and method for crushing and classifying electrode material" was invented by Keisuke Isomura (Kariya, Japan), Kenichiro Muramatsu (Toyota, Japan) and Kazuki Noritake (Nagoya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The crushing and classifying device of the present disclosure includes a crushing chamber into which an electrode material is inserted, a rotating shaft, a striking body, and a screen. The rotating shaft is disposed in the crushing chamber and rotates under a driving force. The striking body has a rod shape or a chai...