Inventor · disambiguated record
Tokuya Ohjimi
Also filed as: OHJIMI TOKUYA
12 granted patents·422 citations·filing 2000–2012
93Inventor score
Technology areasG03G
Top patents by PatentIndex Score
12 records- 0199US6337957B1Image forming apparatus and developing device with improved self toner density controlRICOH KK·Filed 2000·Granted Jan 8, 2002·191 cites·76 claims
- 0297US7272354B2Cleaning unit and image forming apparatus having multiple cleaning bladesRICOH KK·Filed 2006·Granted Sep 18, 2007·27 cites·46 claims
- 0395US7266324B2Charging device, and process cartridge and image forming apparatus using the charging deviceRICOH KK·Filed 2006·Granted Sep 4, 2007·18 cites·15 claims
- 0490US6873814B2Developing device using a two-ingredient type developer and image forming apparatus including the sameRICOH KK·Filed 2002·Granted Mar 29, 2005·36 cites·18 claims
- 0589US7110696B2Cleaning unit, process cartridge, and image forming apparatusRICOH KK·Filed 2003·Granted Sep 19, 2006·27 cites·47 claims
- 0689US6507718B2Method and apparatus for reducing adhesion of carrier to image bearing memberRICOH KK·Filed 2001·Granted Jan 14, 2003·40 cites·22 claims
- 0788US7139504B2Charging device, and process cartridge and image forming apparatus using the charging deviceRICOH KK·Filed 2004·Granted Nov 21, 2006·24 cites·15 claims
- 0886US6856774B2Developing device including magnetic member provided on toner-scattering restraining device and image forming apparatus including the developing deviceRICOH KK·Filed 2002·Granted Feb 15, 2005·26 cites·15 claims
- 0983US8849142B2Image forming deviceSUGIYAMA HIROYUKI·Filed 2012·Granted Sep 30, 2014·3 cites·15 claims
- 1083US6687474B2Developing apparatus, image formation apparatus, and process cartridgeRICOH KK·Filed 2002·Granted Feb 3, 2004·24 cites·5 claims
- 1181US7477856B2Method and apparatus for image forming capable of effectively preventing resonance of frequenciesRICOH KK·Filed 2005·Granted Jan 13, 2009·6 cites·17 claims
- 1241US8649692B2Toner replenishing device capable of effectively softening toner and image forming apparatus with toner replenishing deviceSUKESAKO MASAKI·Filed 2011·Granted Feb 11, 2014·0 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when Tokuya Ohjimi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →