Inventor · disambiguated record
Kazufumi Muto
Also filed as: MUTO KAZUFUMI
12 granted patents·225 citations·filing 1999–2013
91Inventor score
Technology areasG03G
Top patents by PatentIndex Score
12 records- 0198US6157792AElectrophotographic apparatus having plural image forming modes, and a process cartridge applied to such electrophotographic apparatusCANON KK·Filed 1999·Granted Dec 5, 2000·122 cites·50 claims
- 0296US6404996B1Electrophotographic apparatus having plural image forming modes, and a process cartridge applied to such electrophotographic apparatusCANON KK·Filed 2000·Granted Jun 11, 2002·66 cites·20 claims
- 0388US8666280B2Image forming apparatusMIZUNO TATSUBUMI·Filed 2012·Granted Mar 4, 2014·5 cites·8 claims
- 0485US8855525B2Developing apparatus, and image forming apparatusMUTO KAZUFUMI·Filed 2011·Granted Oct 7, 2014·5 cites·7 claims
- 0580US8280279B2Process cartridge with first, second, and third portions-to-be-positioned by corresponding portions of image forming apparatusMIZUNO TATSUBUMI·Filed 2009·Granted Oct 2, 2012·5 cites·14 claims
- 0679US8611786B2Image forming apparatus and process cartridgeMIZUNO TATSUBUMI·Filed 2012·Granted Dec 17, 2013·2 cites·10 claims
- 0778US8254805B2Image forming apparatusMIZUNO TATSUBUMI·Filed 2008·Granted Aug 28, 2012·5 cites·19 claims
- 0874US8135305B2Image forming apparatusKOTSUKA HIDEKI·Filed 2008·Granted Mar 13, 2012·6 cites·15 claims
- 0971US8849156B2Image forming apparatus and process cartridgeCANON KK·Filed 2013·Granted Sep 30, 2014·1 cites·16 claims
- 1064US7903999B2Image forming apparatusCANON KK·Filed 2009·Granted Mar 8, 2011·2 cites·3 claims
- 1160US8472816B2Process cartridge and image forming apparatusMUTO KAZUFUMI·Filed 2009·Granted Jun 25, 2013·2 cites·9 claims
- 1250US6411794B1Discharge device and image forming apparatusCANON KK·Filed 2000·Granted Jun 25, 2002·4 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →