Powder replenishing device, powder conveying device, developing apparatus using the same powder replenishing device or powder conveying device, and image forming apparatus using the same powder replenishing device or powder conveying device
AssigneeRicoh Company, Ltd.
InventorsNobuo Iwata, Nobuo Kasahara, Satoshi Muramatsu, Junichi Matsumoto, Tomoyuki Ichikawa
Life of this patent
Estimating the term…