Toner replenishing and developer replacing device for a developing unit of an image forming apparatus

Assignee

• Ricoh Company

Inventors

• Hisashi Shoji (73 patents)
• Kiyotaka Ohta (3 patents)
• Tsukuru Kai (67 patents)
• Nobuto Yokokawa (25 patents)
• Kiyonori Tsuda (67 patents)
• Satoshi Hatori (70 patents)

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