Inventor · disambiguated record
Hideshi Kawaguchi
Also filed as: KAWAGUCHI HIDESHI
29 granted patents·1,098 citations·filing 1991–2021
98Inventor score
Files withCANON KK29
Top patents by PatentIndex Score
29 records- 0199US11067942B2Drum unit, cartridge, electrophotographic image forming apparatus and coupling memberCANON KK·Filed 2020·Granted Jul 20, 2021·9 cites·28 claims
- 0298US10671013B2Drum unit, cartridge, electrophotographic image forming apparatus and coupling memberCANON KK·Filed 2019·Granted Jun 2, 2020·16 cites·96 claims
- 0398US5953562AProcess cartridge, assembling method for process cartridge and grounding memberCANON KK·Filed 1996·Granted Sep 14, 1999·161 cites·59 claims
- 0496US11409227B2Drum unit, cartridge, electrophotographic image forming apparatus and coupling memberCANON KK·Filed 2021·Granted Aug 9, 2022·3 cites·47 claims
- 0596US11378914B2Process cartridge and image forming apparatusCANON KK·Filed 2021·Granted Jul 5, 2022·3 cites·10 claims
- 0696US7062192B2Electrophotographic image forming apparatus, process cartridge and discharge preventing mechanismCANON KK·Filed 2004·Granted Jun 13, 2006·68 cites·15 claims
- 0796US5697022AProcess cartridge, image forming apparatus usable therewith and process cartridge assembling methodCANON KK·Filed 1996·Granted Dec 9, 1997·96 cites·91 claims
- 0896US5678139AProcess cartridge with shutter for protecting photosensitive drumCANON KK·Filed 1994·Granted Oct 14, 1997·75 cites·104 claims
- 0996US5642187AProcess cartridge, image forming apparatus usable therewith and image forming systemCANON KK·Filed 1995·Granted Jun 24, 1997·94 cites·27 claims
- 1095US10948872B2Process cartridge and image forming apparatus having an electrical contact portion mounted on a projection and electrically connected to a storing portionCANON KK·Filed 2019·Granted Mar 16, 2021·7 cites·9 claims
- 1195US6311026B1Process cartridge and image forming apparatus including means for detecting mounting of the process cartridge to main body of image forming apparatus, and process cartridge and developer cartridge including positioning portionCANON KK·Filed 1999·Granted Oct 30, 2001·73 cites·24 claims
- 1295US5825472APhotosensitive drum, process cartridge and image forming apparatusCANON KK·Filed 1996·Granted Oct 20, 1998·91 cites·114 claims
- 1393US6272300B1Remanufacturing method for process cartridge, process cartridge and image forming apparatusCANON KK·Filed 1997·Granted Aug 7, 2001·68 cites·65 claims
- 1493US5867751AProcess cartridge detachably mountable to an image forming apparatus having an improved arrangement of voltage applying membersCANON KK·Filed 1997·Granted Feb 2, 1999·66 cites·48 claims
- 1591US7239823B2Electrophotographic image forming apparatus, process cartridge and discharge preventing mechanismCANON KK·Filed 2006·Granted Jul 3, 2007·21 cites·15 claims
- 1690US5907751AProcess cartridge with mounting projections and image forming apparatus using such a process cartridgeCANON KK·Filed 1995·Granted May 25, 1999·50 cites·36 claims
- 1788US7174113B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2005·Granted Feb 6, 2007·8 cites·32 claims
- 1883US5650841AProcess cartridge, image forming apparatus usable therewith and toner seal mounting method for process cartridgeCANON KK·Filed 1996·Granted Jul 22, 1997·78 cites·118 claims
- 1981US7519311B2Developing apparatus, process cartridge, image forming apparatus, and assemblying method for developing apparatusCANON KK·Filed 2006·Granted Apr 14, 2009·6 cites·36 claims
- 2077US6205304B1Developing apparatusCANON KK·Filed 1999·Granted Mar 20, 2001·26 cites·20 claims
- 2172US7200347B2Electrophotographic image forming apparatus, cartridge and process cartridgeCANON KK·Filed 2006·Granted Apr 3, 2007·3 cites·7 claims
- 2271US7085509B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2004·Granted Aug 1, 2006·10 cites·23 claims
- 2369US6236822B1Shutter and process cartridgeCANON KK·Filed 1998·Granted May 22, 2001·19 cites·16 claims
- 2464US7209676B2Electrophotographic image forming apparatus, cartridge and process cartridgeCANON KK·Filed 2004·Granted Apr 24, 2007·7 cites·12 claims
- 2559US6047153AToner container, process cartridge, and image forming apparatusCANON KK·Filed 1997·Granted Apr 4, 2000·13 cites·23 claims
- 2656US5186448ASheet feeding apparatusCANON KK·Filed 1992·Granted Feb 16, 1993·12 cites·31 claims
- 2747US7228086B2Electrophotographic image forming apparatus having process cartridge with electrical contactsCANON KK·Filed 2004·Granted Jun 5, 2007·3 cites·22 claims
- 2846US5357325AImage forming apparatus having transfer member rotating faster than image bearing memberCANON KK·Filed 1991·Granted Oct 18, 1994·7 cites·31 claims
- 2941US5899607ADeveloping device provided with a plurality of developer conveying membersCANON KK·Filed 1996·Granted May 4, 1999·5 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →