Inventor
KITAJIMA YUJI
JP4 patents
Patents
4 patentsUS6118951ASep 12, 2000
Image forming apparatus and toner replenishing device therefor
RICOH KK131 citations96
US5950062ASep 7, 1999
Toner sorting device for separating reusable toner from used toner and image forming apparatus using the same device
RICOH KK84 citations95
US5909609AJun 1, 1999
Image forming apparatus with provisions for supplying toner therein
RICOH KK84 citations94
US6097903AAug 1, 2000
Toner supplying device, toner container therefor and image forming apparatus using same toner supplying device and toner container
RICOH KK53 citations91