Inventor · disambiguated record
Kazushige Sakurai
Also filed as: SAKURAI KAZUSHIGE
30 granted patents·819 citations·filing 1992–2004
98Inventor score
Technology areasG03G
Files withCANON KK30
Top patents by PatentIndex Score
30 records- 0198US5430526AImage forming apparatus having weighting material in image bearing member and process cartridge usable with sameCANON KK·Filed 1994·Granted Jul 4, 1995·131 cites·47 claims
- 0295US5923917AImage forming apparatus, and a cartridge having a developer container detachably mountable on such apparatusCANON KK·Filed 1996·Granted Jul 13, 1999·68 cites·17 claims
- 0394US5802419AImage forming apparatus and process cartridge for image forming apparatusCANON KK·Filed 1996·Granted Sep 1, 1998·70 cites·8 claims
- 0492US5519472ADeveloping apparatus using elastic bladeCANON KK·Filed 1994·Granted May 21, 1996·46 cites·17 claims
- 0591US6512895B2Process cartridge and electrophotographic image forming systemCANON KK·Filed 2001·Granted Jan 28, 2003·39 cites·14 claims
- 0691US5765077ACharging member, charging device and process cartridge detachably mountable to image forming apparatusCANON KK·Filed 1996·Granted Jun 9, 1998·52 cites·148 claims
- 0790US5534344ACharging member having a loosely supported charger portionCANON KK·Filed 1993·Granted Jul 9, 1996·40 cites·32 claims
- 0890US5475471AChanging member having a charging surface arranged with respect to a tangent lineCANON KK·Filed 1992·Granted Dec 12, 1995·40 cites·66 claims
- 0989US6330402B1Developer amount indicating method, electrophotographic image forming apparatus and process cartridgeCANON KK·Filed 2000·Granted Dec 11, 2001·33 cites·37 claims
- 1088US6397018B1Developer amount detecting method, developing device, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2000·Granted May 28, 2002·29 cites·95 claims
- 1186US5682585ADeveloping apparatus generating electric field between developer carrying member and developer layer regulating memberCANON KK·Filed 1994·Granted Oct 28, 1997·32 cites·18 claims
- 1285US7095967B2Image developing apparatus, process cartridge, electrophotographic image forming apparatus, and developing unit frameCANON KK·Filed 2004·Granted Aug 22, 2006·21 cites·12 claims
- 1383US6459861B1Image forming apparatus, and a cartridge having a developer container detachably mountable on such apparatusCANON KK·Filed 1999·Granted Oct 1, 2002·29 cites·39 claims
- 1481US6912366B1Image forming apparatus comprising means for detecting an amount of developer contained in a developer container, a memory for storing the amount detected by the detecting means, and control means for updating the information stored in the memoryCANON KK·Filed 2000·Granted Jun 28, 2005·16 cites·18 claims
- 1580US6892035B2Developing device, a process cartridge, and an electrophotographic image forming apparatus for detecting an amount of developerCANON KK·Filed 2001·Granted May 10, 2005·19 cites·53 claims
- 1679US6408143B2Electrophotographic image forming apparatusCANON KK·Filed 2000·Granted Jun 18, 2002·18 cites·11 claims
- 1776US6850714B2Image forming apparatus, cartridge, image forming system and storage mediumCANON KK·Filed 2001·Granted Feb 1, 2005·16 cites·21 claims
- 1876US6597876B1Image forming apparatus and cartridge detachably mountable theretoCANON KK·Filed 2000·Granted Jul 22, 2003·12 cites·19 claims
- 1973US6438327B1Process cartridge having storage device which communicates with image forming apparatusCANON KK·Filed 2000·Granted Aug 20, 2002·12 cites·8 claims
- 2072US6859627B2Image developing apparatus, process cartridge, electrophotographic image forming apparatus, and developing unit frameCANON KK·Filed 1999·Granted Feb 22, 2005·19 cites·39 claims
- 2172US5541711ACharging member having a cavity, charging device, process unit, and image forming apparatus having such a charging memberCANON KK·Filed 1992·Granted Jul 30, 1996·18 cites·28 claims
- 2270US7068955B2Image forming apparatus having developer amount detectorCANON KK·Filed 2003·Granted Jun 27, 2006·9 cites·6 claims
- 2366US6925267B2Memory device storing information warning a user about the developer-remaining amount, a process cartridge including a memory storing such information, and a control system and a memory system for warning a user about the developer-remaining amountCANON KK·Filed 2002·Granted Aug 2, 2005·7 cites·28 claims
- 2464US5666606AImage forming apparatus comprising contact type charging memberCANON KK·Filed 1996·Granted Sep 9, 1997·16 cites·10 claims
- 2563US6608975B2Image forming apparatus and cartridge detachably mountable theretoCANON KK·Filed 2002·Granted Aug 19, 2003·6 cites·11 claims
- 2663US6516159B1Developer amount indicating method and electrophotographic image forming apparatusCANON KK·Filed 2000·Granted Feb 4, 2003·8 cites·18 claims
- 2757US6807382B1Image forming apparatus and cartridge detachably mountable theretoCANON KK·Filed 2003·Granted Oct 19, 2004·5 cites·8 claims
- 2856US6694107B2Image forming apparatus and cartridge detachably mountable theretoCANON KK·Filed 2002·Granted Feb 17, 2004·4 cites·11 claims
- 2952US6859626B2Process cartridge having storage device which communicates with image forming apparatusCANON KK·Filed 2002·Granted Feb 22, 2005·4 cites·4 claims
- 3039US7058319B2Image forming apparatus and cartridge detachably mountable theretoCANON KK·Filed 2004·Granted Jun 6, 2006·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →