Inventor · disambiguated record
Katsumi Masuda
Also filed as: MASUDA KATSUMI
16 granted patents·1 pending application·433 citations·filing 1978–2011
94Inventor score
Top patents by PatentIndex Score
17 records- 0197US7212773B2Image forming apparatusRICOH KK·Filed 2004·Granted May 1, 2007·107 cites·22 claims
- 0296US7599650B2Developer bearing member, developing device, process cartridge and image forming apparatusRICOH KK·Filed 2006·Granted Oct 6, 2009·25 cites·54 claims
- 0396US7272342B2Image forming apparatus having a detachable cartridge including a photoconductive drum with axis shaft having a minimal rotational eccentricity, and a method of assembling the image forming apparatusRICOH KK·Filed 2006·Granted Sep 18, 2007·26 cites·14 claims
- 0495US5878317AElectrophotographic method and apparatus including a toner recycle featureRICOH KK·Filed 1997·Granted Mar 2, 1999·85 cites·21 claims
- 0594US7228093B2Method and apparatus for image forming capable of performing a stable image developmentRICOH KK·Filed 2005·Granted Jun 5, 2007·19 cites·9 claims
- 0693US7457570B2Image forming apparatus including a magnetic brush developing system using a two-component developer comprising toner and carrierRICOH KK·Filed 2005·Granted Nov 25, 2008·23 cites·52 claims
- 0791US5946529AImage forming apparatus using a roller type charging systemRICOH KK·Filed 1997·Granted Aug 31, 1999·53 cites·12 claims
- 0890US7043182B2Developer regulating member, developing device, electrophotographic image forming process cartridge, and image forming apparatus including the developer regulating memberRICOH KK·Filed 2003·Granted May 9, 2006·35 cites·33 claims
- 0989US7813680B2Developing device, and image forming apparatus and process cartridge comprising the sameRICOH KK·Filed 2009·Granted Oct 12, 2010·11 cites·12 claims
- 1086US8331834B2Developing unit, image forming apparatus incorporating same, and process cartridge including sameKOETSUKA KYOHTA·Filed 2009·Granted Dec 11, 2012·13 cites·23 claims
- 1174US4199958AChilling apparatus for broiler carcassesDAIKIN IND LTD·Filed 1978·Granted Apr 29, 1980·30 cites·13 claims
- 1263US8326189B2Developing device, process cartridge, and image forming apparatusFUKUDA YOSHIYUKI·Filed 2010·Granted Dec 4, 2012·1 cites·17 claims
- 1358US8824932B2Development device, and process cartridge and image forming apparatus incorporating sameMASUDA KATSUMI·Filed 2011·Granted Sep 2, 2014·1 cites·6 claims
- 1450US8135315B2Developer regulating member in a developing unit, process cartridge including same, and image forming apparatus incorporating sameOZEKI TAKAMASA·Filed 2009·Granted Mar 13, 2012·1 cites·20 claims
- 1540USD334771SToner cartridgeRICOH CO LTD·Filed 1990·Granted Apr 13, 1993·3 cites·1 claims
- 1638US8682230B2Development device, process cartridge, and image forming apparatus including same having multiple recesses formed on a developer bearerTAGUCHI NOBUYUKI·Filed 2011·Granted Mar 25, 2014·0 cites·14 claims
- 1738US2005031374A1Image forming apparatus having a detachable cartridge including a photoconductive drum with axis shaft having a minimal rotational eccentricity, and a method of assembling the image forming apparatusFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →