P

Inventor

WANOU MASAHIRO

JP12 patents

Patents

12 patents
US6175710B1Jan 16, 2001

Electrophotographic recording apparatus using developing device with one-component type developer and having combination of charge injection effect and conductive contact type charger

FUJITSU LTD87 citations97
US4897672AJan 30, 1990

Method and apparatus for detecting and compensating light emission from an LED array

FUJITSU LTD60 citations94
US6134395AOct 17, 2000

Image forming apparatus capable of preventing adhesion of a developer to an uncharged region of a latent image carrier

FUJITSU LTD21 citations92
US5946523AAug 31, 1999

Printing apparatus

FUJITSU LTD24 citations90
US4804994AFeb 14, 1989

Compact electrophotographic printing apparatus having an improved development means and a method for operating the same

FUJITSU LTD19 citations81
US6301450B1Oct 9, 2001

Electrophotography apparatus

FUJITSU LTD8 citations73
US5467176ANov 14, 1995

Image forming method and apparatus with magnetic brush

FUJITSU LTD7 citations73
US5060016AOct 22, 1991

Process unit for image forming apparatus, including a charging brush

FUJITSU LTD19 citations73
US5012282AApr 30, 1991

Brush contact type charging unit in an image forming apparatus

FUJITSU LTD9 citations73
US5331383AJul 19, 1994

Conductive roller transfer device with improved transfer efficiency and pollution control

FUJITSU LTD10 citations72
US5572298ANov 5, 1996

Image forming apparatus having a developing apparatus which includes a partition member for partitioning a developing room and a toner hopper

FUJITSU LTD4 citations62
US5448341ASep 5, 1995

Image forming apparatus

FUJITSU LTD3 citations62