Inventor
KITAJIMA YUUJI
JP3 patents
Patents
3 patentsUS6091912AJul 18, 2000
Tower supplying device and image forming apparatus using same toner supplying device
RICOH KK104 citations96
US5950055ASep 7, 1999
Powder pump and image forming apparatus having the powder pump and method therefor
RICOH KK95 citations95
US6151471ANov 21, 2000
Toner supplying device, method and image forming apparatus using the same toner supplying device or method
RICOH KK69 citations94