ALEXANDRIA, Va., June 6 -- United States Patent no. 12,282,273, issued on April 22, was assigned to Hewlett-Packard Development Co. LP (Spring, Texas).
"Development device having rotatable wiper wiping optical surface of lens" was invented by Yongnam Ahn (Seongnam-si, South Korea), Jongin Kim (Seongnam-si, South Korea), Woongyong Choi (Seongnam-si, South Korea) and Shinhyup Kang (Seongnam-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A developing device includes a housing to accommodate toner, a rotation member installed in the housing, a lens including an optical surface oriented in an axial direction of the rotation member, and a wiper installed in the rotation member and configured to rep...