Inventor
HATTORI TADAAKI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “HATTORI TADAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
6 patentsUS8023867B2Sep 20, 2011
Magnet roller and method for the same, magnetic particle-support member, development device, process cartridge, and image forming apparatus
RICOH CO LTD6 citations62
US8041259B2Oct 18, 2011
Conductive member, process cartridge including same, and image forming apparatus including the process cartridge
RICOH CO LTD3 citations61
US7917067B2Mar 29, 2011
Magnetic field generating member and manufacturing method thereof, magnetic particle support body, image development device, process cartridge and image forming apparatus
RICOH CO LTD2 citations61
US7890030B2Feb 15, 2011
Magnetic roller, developer carrier, developing device, process cartridge, and image forming apparatus
RICOH CO LTD4 citations61
US7907876B2Mar 15, 2011
Developer carrier, development device, process cartridge, and image forming apparatus
RICOH CO LTD0 citations51
US7899374B2Mar 1, 2011
Magnetic particle carrying device, and developing unit, process cartridge, and image forming apparatus using the same, and surface treatment method of the same
RICOH CO LTD1 citations51
RICOH KK
4 patentsUS7493064B2Feb 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
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