Inventor
OIKAWA AKIKO
JP4 patents
Patents
4 patentsUS5504567AApr 2, 1996
Controller for roller fixing unit for color electrophotographic apparatus
HITACHI LTD24 citations88
US5708939AJan 13, 1998
Developing apparatus and process for an electrophotographic process
HITACHI LTD17 citations83
US6569588B2May 27, 2003
Electrophotographic toner, production method thereof and electrophotographic image forming system
HITACHI LTD7 citations73
US5481349AJan 2, 1996
Electrophotographic image fixing device avoiding offset in the image by means of differential roller speed
HITACHI LTD16 citations69