Inventor
NARITA YUTAKA
JP16 patents
⚠️ This page may combine multiple inventors who share the name “NARITA YUTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
8 patentsUS7151904B2Dec 19, 2006
Conductive member and process cartridge and image forming apparatus using the same
RICOH KK12 citations82
US6990305B2Jan 24, 2006
Charging device using a charge roller and image forming apparatus including the same
RICOH KK10 citations73
US7693456B2Apr 6, 2010
Conductive member and process cartridge having it and image forming apparatus having the process cartridge
RICOH KK3 citations61
US7493064B2Feb 17, 2009
Electric conductive member, process cartridge and image forming apparatus
RICOH KK2 citations61
US7515852B2Apr 7, 2009
Conductive member, charging member using the conductive member, process cartridge using the charging member and image forming apparatus using process cartridge
RICOH KK1 citations51
US7603062B2Oct 13, 2009
Conductive member, and charging roller, process cartridge and image forming apparatus using same
RICOH KK0 citations41
US7734221B2Jun 8, 2010
Conductive member, process cartridge using conductive member and image formation apparatus using process cartridge
RICOH KK0 citations40
US7693455B2Apr 6, 2010
Conductive member, process cartridge having conductive member, and image forming apparatus having process cartridge
RICOH KK0 citations40
RICOH CO LTD
5 patentsUS8041259B2Oct 18, 2011
Conductive member, process cartridge including same, and image forming apparatus including the process cartridge
RICOH CO LTD3 citations61
US7941077B2May 10, 2011
Conductive member, process cartridge using conductive member, and image forming apparatus using process cartridge
RICOH CO LTD4 citations61
US8032050B2Oct 4, 2011
Charge assembly and image formation apparatus including the same
RICOH CO LTD0 citations51
US8385780B2Feb 26, 2013
Charging member, charging device including the charging member, process cartridge including the charging device and image forming apparatus including the process cartridge
RICOH CO LTD0 citations47
US8038590B2Oct 18, 2011
Conductive member, process cartridge having the same, and image forming apparatus having the process cartridge
RICOH CO LTD0 citations40
NAKAMURA MAKOTO
2 patentsUS8105672B2Jan 31, 2012
Electroconductive member, process cartridge, and image forming apparatus
NAKAMURA MAKOTO3 citations61
US8150295B2Apr 3, 2012
Charging member, charging device including the charging member, process cartridge including the charging device and image forming apparatus including the process cartridge
NAKAMURA MAKOTO0 citations51