Inventor · disambiguated record
Misao Tanzawa
Also filed as: OHNO YUKIHIRO · TANZAWA MISAO
18 granted patents·541 citations·filing 1976–2006
96Inventor score
Files withRICOH KK18
Top patents by PatentIndex Score
18 records- 0198US5019867AImage forming apparatus having a removable processing unitRICOH KK·Filed 1989·Granted May 28, 1991·93 cites·9 claims
- 0296US6611672B2Image forming apparatus, monocolor image forming apparatus, toner recycling apparatus and intermediate transfer memberRICOH KK·Filed 2001·Granted Aug 26, 2003·90 cites·58 claims
- 0395US7127195B2Image forming apparatus and image transferring unit for use in the sameRICOH KK·Filed 2005·Granted Oct 24, 2006·17 cites·19 claims
- 0494US5008711AImage forming apparatusRICOH KK·Filed 1988·Granted Apr 16, 1991·49 cites·9 claims
- 0593US6996354B2Image forming apparatus and image transferring unit for use in the sameRICOH KK·Filed 2003·Granted Feb 7, 2006·34 cites·28 claims
- 0693US4862212AImage forming apparatusRICOH KK·Filed 1988·Granted Aug 29, 1989·50 cites·7 claims
- 0790US4908661AHolder device for handling an image carrier of an image forming apparatusRICOH KK·Filed 1988·Granted Mar 13, 1990·34 cites·24 claims
- 0888US7298991B2Image forming apparatus and image transferring unit for use in the sameRICOH KK·Filed 2006·Granted Nov 20, 2007·7 cites·12 claims
- 0988US4862209AImage forming apparatus having a removable image forming process kitRICOH KK·Filed 1988·Granted Aug 29, 1989·31 cites·17 claims
- 1084US4188109AFixing apparatus for electrophotographyRICOH KK·Filed 1976·Granted Feb 12, 1980·23 cites·4 claims
- 1179US4768062ACleaning deviceRICOH KK·Filed 1986·Granted Aug 30, 1988·22 cites·10 claims
- 1277US7522850B2Image forming apparatus, process cartridge, developing unit, and image forming methodRICOH KK·Filed 2006·Granted Apr 21, 2009·4 cites·67 claims
- 1376US4412736ACollection of suspended toner particlesRICOH KK·Filed 1981·Granted Nov 1, 1983·18 cites·13 claims
- 1473US4319832AToner separation and recovery apparatusRICOH KK·Filed 1980·Granted Mar 16, 1982·17 cites·14 claims
- 1566US4595280ABlade cleaning deviceRICOH KK·Filed 1983·Granted Jun 17, 1986·14 cites·16 claims
- 1662US5166739ASheet discharging device for image forming equipmentRICOH KK·Filed 1991·Granted Nov 24, 1992·24 cites·7 claims
- 1760US7158730B2Image forming apparatus, process cartridge, developing unit, and image forming methodRICOH KK·Filed 2004·Granted Jan 2, 2007·6 cites·120 claims
- 1851US4931840ACleaning deviceRICOH KK·Filed 1989·Granted Jun 5, 1990·8 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →