Inventor
KATOH NATSUMI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “KATOH NATSUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
6 patentsUS7912408B2Mar 22, 2011
Image forming apparatus, process cartridge, and development device
RICOH CO LTD7 citations84
US7835653B2Nov 16, 2010
Developing device and image forming apparatus
RICOH CO LTD13 citations84
US7953350B2May 31, 2011
Developing device for developing latent images to toner images
RICOH CO LTD4 citations63
US8036576B2Oct 11, 2011
Developing device including a stirring mechanism for a two-component developer and image forming apparatus including same
RICOH CO LTD5 citations62
US8014703B2Sep 6, 2011
Development device and image forming apparatus
RICOH CO LTD5 citations62
US8000638B2Aug 16, 2011
Developing device using two-component developing agent and image forming apparatus provided with same
RICOH CO LTD6 citations62
RICOH KK
4 patentsUS7792472B2Sep 7, 2010
Developing apparatus and image forming apparatus using same
RICOH KK10 citations84
US7783233B2Aug 24, 2010
Developing device including improved conveying device, process cartridge and image forming apparatus using the same
RICOH KK18 citations84
US7729642B2Jun 1, 2010
Stress-reduceable transport unit and image forming apparatus using the same
RICOH KK14 citations84
US7636536B2Dec 22, 2009
Image forming apparatus having an improved developer conveying system
RICOH KK10 citations84