Inventor
KONJA MASAKUNI
JP6 patents
Patents
6 patentsUS5950055ASep 7, 1999
Powder pump and image forming apparatus having the powder pump and method therefor
RICOH KK95 citations95
US5559590ASep 24, 1996
Image forming apparatus which cleans a transfer belt by applying a bias voltage
RICOH KK47 citations92
US6101361AAug 8, 2000
Image forming apparatus with a device and a method to increase contact area between a transfer sheet and an image carrier
RICOH KK9 citations72
US5493371AFeb 20, 1996
Image transferring device for image forming apparatus
RICOH KK8 citations72
US5884134AMar 16, 1999
Image forming apparatus with a device to increase contact area between a transfer sheet and an image carrier
RICOH KK5 citations61
US5552871ASep 3, 1996
Image transferring device for image forming apparatus
RICOH KK4 citations61