Inventor · disambiguated record
Akiyoshi Fujita
Also filed as: FUJITA AKIYOSHI
27 granted patents·1,786 citations·filing 1997–2016
98Inventor score
Top patents by PatentIndex Score
27 records- 0199US7366452B2Developer supply container and electrophotographic image forming apparatusCANON KK·Filed 2006·Granted Apr 29, 2008·105 cites·13 claims
- 0299US7315710B2Electrophotographic photosensitive drum supporting apparatus, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2006·Granted Jan 1, 2008·140 cites·21 claims
- 0399US7184690B2Electrophotographic photosensitive drum supporting apparatus, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2004·Granted Feb 27, 2007·182 cites·15 claims
- 0499US7174122B2Developer supply container and electrophotographic image forming apparatusCANON KK·Filed 2005·Granted Feb 6, 2007·113 cites·12 claims
- 0599US7139502B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2004·Granted Nov 21, 2006·151 cites·9 claims
- 0699US6954601B2Process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2003·Granted Oct 11, 2005·156 cites·15 claims
- 0799US6954600B2Electric contact member applying voltage to charger, process cartridge, and image forming apparatusCANON KK·Filed 2003·Granted Oct 11, 2005·120 cites·28 claims
- 0898US6970668B2Method of reproducing process cartridgeCANON KK·Filed 2003·Granted Nov 29, 2005·107 cites·14 claims
- 0998US6968146B1Developer supply container and electrophotographic image forming apparatusCANON KK·Filed 2003·Granted Nov 22, 2005·109 cites·11 claims
- 1098US6324370B1Electrophotographic image forming apparatus detachably mounting a developer replenishing container or in which a plurality of cartridges and developer replenishing containers are attachably and detachably positionedCANON KK·Filed 2000·Granted Nov 27, 2001·106 cites·14 claims
- 1197US5963759AProcess cartridge and image forming apparatus to which process cartridge can detachably be mountedCANON KK·Filed 1997·Granted Oct 5, 1999·97 cites·17 claims
- 1295US6418292B1Developer replenishing container with movable shutter feature, cartridge and image forming apparatus employing developer replenishing containerCANON KK·Filed 2000·Granted Jul 9, 2002·65 cites·23 claims
- 1392US6968141B2Remanufacturing method for toner supply containerCANON KK·Filed 2003·Granted Nov 22, 2005·40 cites·12 claims
- 1492US6873815B2Part of an image forming apparatus and a unit having a groove covered with a brush memberCANON KK·Filed 2002·Granted Mar 29, 2005·40 cites·14 claims
- 1588US7003233B2Image forming apparatus with a toner replenishing control feature based on stored toner density and fluidity information, related method, and developing agent replenishing container for sameCANON KK·Filed 2003·Granted Feb 21, 2006·30 cites·36 claims
- 1687US6968147B2Process cartridge whose sealing tape is removed when mounted to image forming apparatus and image forming apparatus to which the cartridge is mountedCANON KK·Filed 2003·Granted Nov 22, 2005·29 cites·15 claims
- 1787US6865357B2Drive transmission mechanism for transmitting drive to processing means and cartridge provided with sameCANON KK·Filed 2002·Granted Mar 8, 2005·28 cites·46 claims
- 1886US6980755B2Recycling method for developer supplying unit including the step of driving a feeding member in a direction to feed developer from a developer supply port to a developer accommodating portionCANON KK·Filed 2003·Granted Dec 27, 2005·26 cites·10 claims
- 1984US6556800B2Developer supply container and image forming apparatus capable of mounting the container thereonCANON KK·Filed 2001·Granted Apr 29, 2003·23 cites·11 claims
- 2084US6195515B1Developing apparatus including a seal member sandwiched between a developer bearing member and a leakage preventing memberCANON KK·Filed 1999·Granted Feb 27, 2001·35 cites·18 claims
- 2183US6144820ADeveloping apparatus with a sealing member having an insulating layer and a conductive portionCANON KK·Filed 1999·Granted Nov 7, 2000·32 cites·22 claims
- 2269US6549735B2Developing apparatus with longitudinal end leakage preventing member in contact with smooth surface part of a developer carrying memberCANON KK·Filed 1999·Granted Apr 15, 2003·19 cites·9 claims
- 2367US6701113B2Developer carrying member, developer replenishment container and image forming apparatusCANON KK·Filed 2002·Granted Mar 2, 2004·10 cites·30 claims
- 2459US6298203B1Developing apparatus featuring suppressed deviation of a positional relationship between a developer bearing member and a developer regulator member and method for assembling the apparatusCANON KK·Filed 1999·Granted Oct 2, 2001·13 cites·22 claims
- 2556US6754461B2Developer charging deviceCANON KK·Filed 2002·Granted Jun 22, 2004·6 cites·38 claims
- 2647US10069621B2Offset value correction device and offset value correction method for correcting offset value in received signalJVC KENWOOD CORP·Filed 2016·Granted Sep 4, 2018·0 cites·4 claims
- 2743USD478616SToner cartridgeCANON KK·Filed 2002·Granted Aug 19, 2003·4 cites·1 claims
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