Inventor · disambiguated record
Akira Higeta
Also filed as: HIGETA AKIRA
40 granted patents·1 pending application·2,257 citations·filing 1988–2011
99Inventor score
Top patents by PatentIndex Score
41 records- 0199US5585889AProcess cartridge and image forming apparatusCANON KK·Filed 1993·Granted Dec 17, 1996·335 cites·52 claims
- 0299US5452056AImage forming apparatus, process cartridge mountable within it and method for attaching photosensitive drum to process cartridgeCANON KK·Filed 1994·Granted Sep 19, 1995·274 cites·31 claims
- 0399US5331373AImage forming apparatus, process cartridge mountable within it and method for attaching photosensitive drum to process cartridgeCANON KK·Filed 1993·Granted Jul 19, 1994·291 cites·34 claims
- 0498US7092655B2Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2005·Granted Aug 15, 2006·51 cites·31 claims
- 0598US6999696B2Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2005·Granted Feb 14, 2006·52 cites·40 claims
- 0698US6400914B1Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 1997·Granted Jun 4, 2002·196 cites·85 claims
- 0798US6185390B1Electrophotographic image forming apparatus having process cartridge with particular arrangement of electrical contactsCANON KK·Filed 1998·Granted Feb 6, 2001·145 cites·20 claims
- 0898US5809374AProcess cartridge including a seal member formed from a liquid-foam materialCANON KK·Filed 1996·Granted Sep 15, 1998·127 cites·15 claims
- 0997US7489885B2Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2007·Granted Feb 10, 2009·16 cites·26 claims
- 1096US7630661B2Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2008·Granted Dec 8, 2009·12 cites·20 claims
- 1195US7231161B2Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2006·Granted Jun 12, 2007·12 cites·6 claims
- 1295US6311026B1Process 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
- 1395US6101348ADeveloping unit, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 1998·Granted Aug 8, 2000·78 cites·39 claims
- 1495US5485249AProcess cartridge frame, process cartridge and image forming apparatusCANON KK·Filed 1994·Granted Jan 16, 1996·64 cites·40 claims
- 1594US7660545B2Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2008·Granted Feb 9, 2010·9 cites·17 claims
- 1694US5162857ASheet conveyer having a sheet alignerCANON KK·Filed 1991·Granted Nov 10, 1992·58 cites·19 claims
- 1793US5740499AImage forming apparatus including process cartridge having elastic sealing members interposed between framesCANON KK·Filed 1995·Granted Apr 14, 1998·65 cites·39 claims
- 1891US6643482B2Remanufacturing method for process cartridgeCANON KK·Filed 2001·Granted Nov 4, 2003·40 cites·34 claims
- 1990US6721520B2Remanufacturing method for process cartridgeCANON KK·Filed 2001·Granted Apr 13, 2004·38 cites·29 claims
- 2087US7920806B2Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2009·Granted Apr 5, 2011·4 cites·16 claims
- 2187US6519430B2Remanufacturing method comprising developing blade dismounting and mounting stepsCANON KK·Filed 2001·Granted Feb 11, 2003·29 cites·52 claims
- 2286US6505020B1Remanufacturing method of process cartridgeCANON KK·Filed 2000·Granted Jan 7, 2003·28 cites·13 claims
- 2384US6615008B2Remanufacturing method for process cartridgeCANON KK·Filed 2001·Granted Sep 2, 2003·24 cites·23 claims
- 2482US6763209B2Process cartridge remanufacturing methodCANON KK·Filed 2002·Granted Jul 13, 2004·22 cites·24 claims
- 2582US4953846AApparatus for conveying a sheet obliquelyCANON KK·Filed 1988·Granted Sep 4, 1990·26 cites·10 claims
- 2679US6574445B2Method of remanufacturing process cartridge including additional seal mounting stepCANON KK·Filed 2001·Granted Jun 3, 2003·18 cites·18 claims
- 2778US6473577B1Process cartridge remanufacturing methodCANON KK·Filed 2000·Granted Oct 29, 2002·17 cites·15 claims
- 2877US5167409AApparatus and method for aligning a sheet against a side registrating member using plural alignment devicesCANON KK·Filed 1992·Granted Dec 1, 1992·22 cites·30 claims
- 2975US6577829B2Remanufacturing method for a process cartridge having a toner seal that is unsealed upon the start of use of the cartridge comprising the steps of separating first and second units of the cartridge and recoupling the units without remounting the toner sealCANON KK·Filed 2001·Granted Jun 10, 2003·15 cites·19 claims
- 3074US8905908B2Lubricant supplying method, supporting member and rotatable member unitMATSUGUMA MINORU·Filed 2011·Granted Dec 9, 2014·4 cites·4 claims
- 3174US6397025B1Process cartridge remanufacturing methodCANON KK·Filed 2000·Granted May 28, 2002·15 cites·29 claims
- 3273US6643481B2Remanufacturing method for process cartridgeCANON KK·Filed 2001·Granted Nov 4, 2003·14 cites·8 claims
- 3373US6493527B1Process cartridgeCANON KK·Filed 2000·Granted Dec 10, 2002·14 cites·29 claims
- 3471US7062199B1Process cartridge remanufacturing methodCANON KK·Filed 2000·Granted Jun 13, 2006·13 cites·9 claims
- 3568US6415111B1Process cartridge and image forming apparatus having process cartridge that has a plurality of measuring electrode membersCANON KK·Filed 2000·Granted Jul 2, 2002·10 cites·13 claims
- 3666US5682587ADeveloping apparatus using hollow magnet rollerCANON KK·Filed 1995·Granted Oct 28, 1997·17 cites·7 claims
- 3760US5230503ASheet feeding apparatus with adjustable urging membersCANON KK·Filed 1992·Granted Jul 27, 1993·13 cites·13 claims
- 3858US6735404B2Process cartridge and remanufacturing method thereforCANON KK·Filed 2002·Granted May 11, 2004·7 cites·30 claims
- 3954US6714751B2Connecting pin for process cartridge, and process cartridgeCANON KK·Filed 2001·Granted Mar 30, 2004·5 cites·27 claims
- 4039US2002018666A1Coupling part, photosensitive drum, process cartridge and electrophotographic image forming apparatusFiled 2001·Application pending·0 cites
- 4138US5708913ACoating apparatus, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 1996·Granted Jan 13, 1998·4 cites·38 claims
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