Inventor · disambiguated record
Natsumi Katoh
Also filed as: KATOH NATSUMI
19 granted patents·138 citations·filing 2006–2011
94Inventor score
Technology areasG03G
Top patents by PatentIndex Score
19 records- 0197US8112016B2Developing agent circulation system and image forming apparatus using sameMATSUMOTO JUNICHI·Filed 2008·Granted Feb 7, 2012·36 cites·10 claims
- 0294US7783233B2Developing device including improved conveying device, process cartridge and image forming apparatus using the sameRICOH KK·Filed 2007·Granted Aug 24, 2010·18 cites·15 claims
- 0393US7835653B2Developing device and image forming apparatusRICOH CO LTD·Filed 2007·Granted Nov 16, 2010·13 cites·13 claims
- 0492US7729642B2Stress-reduceable transport unit and image forming apparatus using the sameRICOH KK·Filed 2006·Granted Jun 1, 2010·14 cites·20 claims
- 0591US7792472B2Developing apparatus and image forming apparatus using sameRICOH KK·Filed 2007·Granted Sep 7, 2010·10 cites·8 claims
- 0689US7636536B2Image forming apparatus having an improved developer conveying systemRICOH KK·Filed 2006·Granted Dec 22, 2009·10 cites·15 claims
- 0784US7912408B2Image forming apparatus, process cartridge, and development deviceRICOH CO LTD·Filed 2008·Granted Mar 22, 2011·7 cites·20 claims
- 0882US8000638B2Developing device using two-component developing agent and image forming apparatus provided with sameRICOH CO LTD·Filed 2009·Granted Aug 16, 2011·6 cites·18 claims
- 0981US8260175B2Developing apparatus and image forming apparatus using sameICHIKAWA TOMOYUKI·Filed 2011·Granted Sep 4, 2012·2 cites·14 claims
- 1081US8014703B2Development device and image forming apparatusRICOH CO LTD·Filed 2008·Granted Sep 6, 2011·5 cites·16 claims
- 1178US8036576B2Developing device including a stirring mechanism for a two-component developer and image forming apparatus including sameRICOH CO LTD·Filed 2008·Granted Oct 11, 2011·5 cites·28 claims
- 1276US8639150B2Development device and image forming apparatusOHMURA TOMOYA·Filed 2011·Granted Jan 28, 2014·2 cites·18 claims
- 1375US8103197B2Developing system and image forming apparatus incorporating sameMATSUMOTO JUNICHI·Filed 2008·Granted Jan 24, 2012·4 cites·24 claims
- 1474US7953350B2Developing device for developing latent images to toner imagesRICOH CO LTD·Filed 2006·Granted May 31, 2011·4 cites·13 claims
- 1564US8073368B2Development device and image forming apparatusIWATA NOBUO·Filed 2009·Granted Dec 6, 2011·2 cites·20 claims
- 1655US8280281B2Development device and image forming apparatusOHMURA TOMOYA·Filed 2011·Granted Oct 2, 2012·0 cites·14 claims
- 1753US8139985B2Developing apparatus and image forming apparatus using sameICHIKAWA TOMOYUKI·Filed 2010·Granted Mar 20, 2012·0 cites·17 claims
- 1847US8185021B2Developing device and image forming apparatusKATOH NATSUMI·Filed 2010·Granted May 22, 2012·0 cites·11 claims
- 1941US8175488B2Image forming apparatus and image forming method including transporting developer using an airflow generatorIWATA NOBUO·Filed 2008·Granted May 8, 2012·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →