US Patent Issued to BROTHER KOGYO on April 22 for "Developer cartridge provided with gear having engagement portions" (Japanese Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,282,270, issued on April 22, was assigned to BROTHER KOGYO K.K. (Nagoya, Japan).

"Developer cartridge provided with gear having engagement portions" was invented by Keita Shimizu (Nagoya, Japan), Takashi Shimizu (Nagoya, Japan), Hideshi Nishiyama (Owariasahi, Japan), Naoya Kamimura (Ichinomiya, Japan) and Tomonori Watanabe (Ichinomiya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A developer cartridge may include: a first gear having a small-diameter gear portion and a large-diameter gear portion; and a second gear including: a first columnar portion centered on a second axis; a second columnar portion having a smaller diameter than the first col...