ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,961, issued on Jan. 13, was assigned to Canon K.K. (Tokyo).
"Electrophotographic cleaning blade, process cartridge, and electrophotographic image forming apparatus" was invented by Kana Sato (Shizuoka, Japan), Ryo Ogawa (Kanagawa, Japan), Masahiro Watanabe (Shizuoka, Japan), Takayuki Hiratani (Tokyo), Tetsuo Hino (Kanagawa, Japan) and Masaki Tsunoda (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a cleaning blade including: an elastic member containing a polyurethane; and a supporting member configured to support the elastic member. The polyurethane has a linear moiety represented by -(CH2)m-. The elastic member has a plate shape h...