Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Rotary power transmission mechanism for transmitting rotary power from a shaft to a cylindrical member while suppressing shifting of the cylindrical member during rotation, and photoreceptor drum device, developing device, fixing device, and image forming device provided with the rotary power transmission mechanism

US Patent 9316988 · Granted Apr 19, 2016

Assignee

Inventors

View full patent text on Google Patents →