Inventor · disambiguated record
Keiji Okano
Also filed as: OKANO KEIJI
27 granted patents·1 pending application·651 citations·filing 1988–2005
97Inventor score
Files withCANON KK27
Top patents by PatentIndex Score
28 records- 0195US5649264ADeveloping unit having optical detection of a residual quantity of developer in a developer containerCANON KK·Filed 1994·Granted Jul 15, 1997·65 cites·18 claims
- 0295US5084733ADeveloping apparatus having developer layer regulation meansCANON KK·Filed 1988·Granted Jan 28, 1992·55 cites·17 claims
- 0394US4989044ADeveloping apparatus for developing electrostatic latent imagesCANON KK·Filed 1989·Granted Jan 29, 1991·52 cites·28 claims
- 0492US6343193B1Process cartridge and image forming apparatus including a developer remaining amount detecting memberCANON KK·Filed 1997·Granted Jan 29, 2002·58 cites·46 claims
- 0591US5177537ADeveloping apparatus with elastic regulating member urged to a developer carrying memberCANON KK·Filed 1990·Granted Jan 5, 1993·42 cites·17 claims
- 0689US5589918AProcess cartridge, assembling method therefor and electrophotographic apparatusCANON KK·Filed 1995·Granted Dec 31, 1996·51 cites·41 claims
- 0786US5682574ADeveloping apparatus having reciprocating cleaning device for photodetectorCANON KK·Filed 1995·Granted Oct 28, 1997·42 cites·52 claims
- 0885US6532030B2Process cartridge, image forming apparatus, and image forming methodCANON KK·Filed 2001·Granted Mar 11, 2003·22 cites·15 claims
- 0985US5618647AMagnetic toner and image forming methodCANON KK·Filed 1995·Granted Apr 8, 1997·38 cites·57 claims
- 1084US5185496AElectrostatic latent image device having a coating layer provided on a developer carrying memberCANON KK·Filed 1991·Granted Feb 9, 1993·29 cites·86 claims
- 1180US6882806B2Charging apparatus determining a peak-to-peak voltage to be applied to a charging memberCANON KK·Filed 2003·Granted Apr 19, 2005·19 cites·13 claims
- 1279US7035560B2Image forming apparatus having charging member supplied with a plurality of alternating voltages and memory for storing information for selecting the voltagesCANON KK·Filed 2003·Granted Apr 25, 2006·15 cites·14 claims
- 1374US7289756B2Developer regulating member with surface roughness parametersCANON KK·Filed 2005·Granted Oct 30, 2007·4 cites·18 claims
- 1474US6898401B2Charging system, process cartridge and image forming apparatusCANON KK·Filed 2003·Granted May 24, 2005·13 cites·48 claims
- 1573US6272306B1Developing apparatus and image forming apparatus having first and second voltages applied to a developing satisfying predetermined relationshipsCANON KK·Filed 1999·Granted Aug 7, 2001·22 cites·7 claims
- 1672US6167212ADevelopment density adjusting method for image forming apparatusCANON KK·Filed 1999·Granted Dec 26, 2000·22 cites·24 claims
- 1771US6058284ADeveloping apparatusCANON KK·Filed 1998·Granted May 2, 2000·20 cites·10 claims
- 1868US6829447B2Developing apparatusCANON KK·Filed 2001·Granted Dec 7, 2004·10 cites·10 claims
- 1965US7194215B2Process cartridge comprising memory medium storing information for selecting one of a plurality of alternating voltages applied to charging member and such a memory mediumCANON KK·Filed 2005·Granted Mar 20, 2007·2 cites·10 claims
- 2064US5666606AImage forming apparatus comprising contact type charging memberCANON KK·Filed 1996·Granted Sep 9, 1997·16 cites·10 claims
- 2163US6370348B1Developing apparatus including intermittent developer agitating feature, and image forming apparatus using sameCANON KK·Filed 2000·Granted Apr 9, 2002·8 cites·39 claims
- 2262US6226464B1Developer apparatus featuring a developer container partition portion disposed between a detecting member and an agitating memberCANON KK·Filed 1999·Granted May 1, 2001·15 cites·12 claims
- 2361US6559875B2Image forming apparatus with pixel density based light beam controlCANON KK·Filed 2001·Granted May 6, 2003·4 cites·10 claims
- 2457US5781835ADeveloping device comprising a magnetic memberCANON KK·Filed 1995·Granted Jul 14, 1998·12 cites·10 claims
- 2556US6686942B2Memory device for an image forming apparatus storing characteristics information about a process cartridge detachably attachable to the apparatusCANON KK·Filed 2002·Granted Feb 3, 2004·5 cites·9 claims
- 2650US5027745ADeveloping apparatus having developer carrying roller with carbon fibers in surface layerCANON KK·Filed 1989·Granted Jul 2, 1991·8 cites·20 claims
- 2743US6741824B2Charging system, process cartridge and image forming apparatusCANON KK·Filed 2003·Granted May 25, 2004·2 cites·21 claims
- 2829US2002119381A1Photosensitive member and cleaning apparatusFiled 1999·Application pending·0 cites
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