Inventor · disambiguated record
Minoru Matsuguma
Also filed as: MATSUGUMA MINORU
16 granted patents·1 pending application·272 citations·filing 1993–2011
94Inventor score
Top patents by PatentIndex Score
17 records- 0195US5682576AFixing deviceCANON KK·Filed 1995·Granted Oct 28, 1997·81 cites·9 claims
- 0291US8521041B2Image forming apparatus with controller controlling an image forming operationKOJIMA KATSUHIRO·Filed 2011·Granted Aug 27, 2013·9 cites·13 claims
- 0389US6654568B2Image forming apparatus, image bearing member life detecting method, and process cartridge detachably attachable to image forming apparatusCANON KK·Filed 2002·Granted Nov 25, 2003·29 cites·6 claims
- 0487US6493534B2Sheet conveying apparatus and image forming apparatusCANON KK·Filed 2001·Granted Dec 10, 2002·28 cites·22 claims
- 0587US5521683AImage forming apparatus using constant voltage or constant current AC signal applied to developer bearing member, and control function in accordance with detected voltage or current of developer bearing memberCANON KK·Filed 1993·Granted May 28, 1996·33 cites·14 claims
- 0679US6771924B2Image forming apparatus having different modes for preventing defective cleaningCANON KK·Filed 2002·Granted Aug 3, 2004·18 cites·28 claims
- 0778US7120376B2Image forming apparatus featuring a four-step image bearing member controllerCANON KK·Filed 2004·Granted Oct 10, 2006·17 cites·18 claims
- 0876US6549733B2Image forming apparatus, image bearing member life detecting method, and process cartridge detachably attachable to image forming apparatusCANON KK·Filed 2002·Granted Apr 15, 2003·13 cites·25 claims
- 0974US8905908B2Lubricant supplying method, supporting member and rotatable member unitMATSUGUMA MINORU·Filed 2011·Granted Dec 9, 2014·4 cites·4 claims
- 1073US6577823B2Method of detecting life of image bearing member, image forming apparatus and cartridgeCANON KK·Filed 2002·Granted Jun 10, 2003·9 cites·48 claims
- 1172US7254347B2Electrophotographic image forming apparatus and unitCANON KK·Filed 2005·Granted Aug 7, 2007·4 cites·16 claims
- 1272US6704524B2Method of detecting life of image bearing member, image forming apparatus and cartridgeCANON KK·Filed 2002·Granted Mar 9, 2004·9 cites·53 claims
- 1363US7627269B2Image forming apparatus with charging member cleaning capabilitiesCANON KK·Filed 2006·Granted Dec 1, 2009·2 cites·18 claims
- 1461US6961527B2Method of detecting life of image bearing member, image forming apparatus and cartridgeCANON KK·Filed 2003·Granted Nov 1, 2005·5 cites·12 claims
- 1555US6427054B1Image forming apparatus indicating the residue of toner and the deficiency of tonerCANON KK·Filed 1998·Granted Jul 30, 2002·11 cites·10 claims
- 1640US8078071B2Image forming apparatus and control method of the image forming apparatusKOJIMA KATSUHIRO·Filed 2007·Granted Dec 13, 2011·0 cites·5 claims
- 1737US2002034394A1Method of detecting life of image bearing member, image forming apparatus and cartridgeFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →