P

Inventor

ENOKI SHIGEKAZU

JP30 patents
⚠️ This page may combine multiple inventors who share the name “ENOKI SHIGEKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

27 patents
US6597881B2Jul 22, 2003

Image forming apparatus

RICOH KK56 citations96
US5508794AApr 16, 1996

Developer recycling system and developer cartridge therefor

RICOH KK73 citations96
US5311263AMay 10, 1994

Developing apparatus for image forming equipment using developer carrier for forming microfields

RICOH KK56 citations96
US5245391ASep 14, 1993

Developing device having surface microfields for an image forming apparatus

RICOH KK64 citations96
US5819145AOct 6, 1998

Image forming device for forming a uniform toner layer on a developing roller

RICOH KK41 citations93
US5627630AMay 6, 1997

Developing apparatus having a toner supporting roller with an inner layer and surface layer

RICOH KK48 citations93
US4406536ASep 27, 1983

Developing device

RICOH KK33 citations93
US7315711B2Jan 1, 2008

Image forming apparatus, process cartridge and cleaningless system

RICOH KK25 citations92
US7218879B2May 15, 2007

Image forming apparatus controlling polarity of residual toner and process cartridge for use in the same

RICOH KK39 citations92
US7020421B2Mar 28, 2006

Magnetic carrier, two-component developer, development method, development device and image forming apparatus of electrophotography

RICOH KK16 citations92
US6708015B2Mar 16, 2004

Developing device and image forming apparatus using the same

RICOH KK20 citations92
US5741616AApr 21, 1998

Method of developing latent electrostatic images and developer-bearing member

RICOH KK51 citations92
US5674408AOct 7, 1997

Developer carrier capable of forming microfields thereon and method of producing the same

RICOH KK22 citations92
US5474869ADec 12, 1995

Toner and method of developing

RICOH KK43 citations92
US5451713ASep 19, 1995

Developing apparatus using a developer carrier capable of forming microfields

RICOH KK30 citations92
US5315061AMay 24, 1994

Developing apparatus using a developer carrier capable of forming microfields

RICOH KK25 citations92
US5286918AFeb 15, 1994

Developing apparatus using a developer carrier capable of forming microfields on the surface thereof

RICOH KK36 citations92
US5239344AAug 24, 1993

Developing roller having insulating and conductive areas

RICOH KK44 citations92
US5220383AJun 15, 1993

Developing device for an image forming apparatus having a large number of microfields formed on a developer carrier

RICOH KK50 citations92
US5172169ADec 15, 1992

Developer carrier of a developing device and a method of producing the same

RICOH KK37 citations92
US4885223ADec 5, 1989

Method and apparatus for developing electrostatic latent image

RICOH KK35 citations92
US5389733AFeb 14, 1995

Developing device for an image forming apparatus

RICOH KK21 citations89
US4733267AMar 22, 1988

Apparatus for developing electrostatic latent image

RICOH KK23 citations82
US7027760B2Apr 11, 2006

Developing method for an image forming apparatus and developing device using the same

RICOH KK9 citations74
US7499664B2Mar 3, 2009

Image processing apparatus, process cartridge, and cleaning system with residual toner retaining unit

RICOH KK5 citations63
US7139517B2Nov 21, 2006

Developing method for an image forming apparatus and developing device using the same

RICOH KK3 citations63
US7639957B2Dec 29, 2009

Image forming apparatus including controller to detect condition of image developer

RICOH KK5 citations62

RICOH CO LTD

2 patents

ENOKI SHIGEKAZU

1 patent