Inventor
OHJIMI TOKUYA
JP12 patents
⚠️ This page may combine multiple inventors who share the name “OHJIMI TOKUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
10 patentsUS6337957B1Jan 8, 2002
Image forming apparatus and developing device with improved self toner density control
RICOH KK191 citations99
US7266324B2Sep 4, 2007
Charging device, and process cartridge and image forming apparatus using the charging device
RICOH KK18 citations93
US7139504B2Nov 21, 2006
Charging device, and process cartridge and image forming apparatus using the charging device
RICOH KK24 citations93
US7272354B2Sep 18, 2007
Cleaning unit and image forming apparatus having multiple cleaning blades
RICOH KK27 citations92
US7110696B2Sep 19, 2006
Cleaning unit, process cartridge, and image forming apparatus
RICOH KK27 citations92
US6873814B2Mar 29, 2005
Developing device using a two-ingredient type developer and image forming apparatus including the same
RICOH KK36 citations92
US6856774B2Feb 15, 2005
Developing device including magnetic member provided on toner-scattering restraining device and image forming apparatus including the developing device
RICOH KK26 citations92
US6687474B2Feb 3, 2004
Developing apparatus, image formation apparatus, and process cartridge
RICOH KK24 citations92
US6507718B2Jan 14, 2003
Method and apparatus for reducing adhesion of carrier to image bearing member
RICOH KK40 citations90
US7477856B2Jan 13, 2009
Method and apparatus for image forming capable of effectively preventing resonance of frequencies
RICOH KK6 citations63