Inventor
NAKAGAWA SHUUICHI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “NAKAGAWA SHUUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
5 patentsUS7865118B2Jan 4, 2011
Developing device for image forming apparatus and process cartridge having the same
RICOH CO LTD7 citations83
US7890033B2Feb 15, 2011
Developing device, process unit, and image forming apparatus which prevents ingrass of the developing agent in the vicinity of the developing member
RICOH CO LTD2 citations62
US7945195B2May 17, 2011
Developing device having developer regulating member, and image forming apparatus using developing device
RICOH CO LTD2 citations61
US7835652B2Nov 16, 2010
Image developing method, image developing device, and image forming device
RICOH CO LTD3 citations61
US8346150B2Jan 1, 2013
Fixing device, image forming apparatus, and image forming method
RICOH CO LTD0 citations40
RICOH KK
3 patentsUS7676184B2Mar 9, 2010
Developing apparatus
RICOH KK8 citations83
US7831182B2Nov 9, 2010
Developing device, image forming apparatus, and development error detecting method
RICOH KK7 citations72
US7680443B2Mar 16, 2010
Developing device including an advance impeding member and an image forming apparatus using the same
RICOH KK1 citations51