Inventor · disambiguated record
Masao Uyama
Also filed as: UYAMA MASAO
45 granted patents·1 pending application·678 citations·filing 1992–2025
98Inventor score
Top patents by PatentIndex Score
46 records- 0198US9823621B2Photosensitive member cartridge and process cartridgeCANON KK·Filed 2016·Granted Nov 21, 2017·28 cites·4 claims
- 0298US6978099B2Developing apparatus, process cartridge, and electrophotographic image forming apparatus including an elastic member preventing a gap between a developing agent carrier and a layer thickness limiter from changing, and an electrophotographic image forming apparatus detachably mounting such process cartridgeCANON KK·Filed 2003·Granted Dec 20, 2005·122 cites·12 claims
- 0398US6834175B2Developer agitating memberCANON KK·Filed 2003·Granted Dec 21, 2004·119 cites·17 claims
- 0497US11982972B2Photosensitive member cartridge and process cartridgeCANON KK·Filed 2022·Granted May 14, 2024·2 cites·4 claims
- 0597US10599094B2Photosensitive member cartridge and process cartridgeCANON KK·Filed 2018·Granted Mar 24, 2020·9 cites·10 claims
- 0697US10191446B2Photosensitive member cartridge and process cartridgeCANON KK·Filed 2017·Granted Jan 29, 2019·12 cites·20 claims
- 0796US11899393B2Photosensitive member unit and development unitCANON KK·Filed 2022·Granted Feb 13, 2024·2 cites·15 claims
- 0895US6421512B2Image forming apparatus with image bearing member charger that reduces the amount of toner electric chargeCANON KK·Filed 2000·Granted Jul 16, 2002·62 cites·18 claims
- 0993US9256157B2Moving mechanism for a developing device, process cartridge and image forming apparatus that reduces or removes press-contact forces on a developer carrying memberCANON KK·Filed 2013·Granted Feb 9, 2016·10 cites·18 claims
- 1093US7035573B2Developing apparatus having developer carrying screw with a plurality of inclination anglesCANON KK·Filed 2003·Granted Apr 25, 2006·44 cites·18 claims
- 1192US6947677B2Image forming apparatus with developing apparatus and method thereofCANON KK·Filed 2003·Granted Sep 20, 2005·40 cites·18 claims
- 1290US7058338B2Image forming apparatus with reciprocating dispersing featureCANON KK·Filed 2005·Granted Jun 6, 2006·10 cites·7 claims
- 1390US6496664B1Image forming apparatus comprising storing means for storing information that a setting operation is performedCANON KK·Filed 2000·Granted Dec 17, 2002·37 cites·19 claims
- 1488US2025258458A1Photosensitive member cartridge and process cartridgeCANON KK·Filed 2025·Application pending·0 cites
- 1587US12321129B2Photosensitive member cartridge and process cartridgeCANON KK·Filed 2024·Granted Jun 3, 2025·0 cites·6 claims
- 1686US9069312B2Image forming apparatus having capacitance detectionCANON KK·Filed 2013·Granted Jun 30, 2015·4 cites·28 claims
- 1785US7286788B2Image forming apparatusCANON KK·Filed 2005·Granted Oct 23, 2007·7 cites·15 claims
- 1884US12111608B2Photosensitive member unit and development unitCANON KK·Filed 2023·Granted Oct 8, 2024·0 cites·18 claims
- 1984US6640060B2Image forming apparatus with developer density and remaining amount detectionCANON KK·Filed 2002·Granted Oct 28, 2003·23 cites·20 claims
- 2083US6928253B2Image forming apparatus including toner charging memberCANON KK·Filed 2003·Granted Aug 9, 2005·18 cites·27 claims
- 2180US11789403B2Photosensitive member cartridge and process cartridgeCANON KK·Filed 2022·Granted Oct 17, 2023·0 cites·22 claims
- 2280US6807384B2Image forming apparatusCANON KK·Filed 2003·Granted Oct 19, 2004·19 cites·70 claims
- 2379US6922539B2Process cartridge and image forming apparatus in which the contact width of a developer charger with an image bearing member is greater than or equal to the sum of the developing width of developing means and the width of movement of the developer chargerCANON KK·Filed 2003·Granted Jul 26, 2005·18 cites·39 claims
- 2478US6963707B2Image forming apparatus including first and second auxiliary residual developer charging featuresCANON KK·Filed 2003·Granted Nov 8, 2005·14 cites·21 claims
- 2576US11487240B2Photosensitive member unit and development unitCANON KK·Filed 2021·Granted Nov 1, 2022·0 cites·20 claims
- 2676US11314198B2Photosensitive member cartridge and process cartridgeCANON KK·Filed 2020·Granted Apr 26, 2022·0 cites·13 claims
- 2776US11281156B2Photosensitive member cartridge and process cartridgeCANON KK·Filed 2020·Granted Mar 22, 2022·0 cites·16 claims
- 2875US6999689B2Image forming apparatus and method of controlling sameCANON KK·Filed 2004·Granted Feb 14, 2006·14 cites·14 claims
- 2973US11156953B2Photosensitive member cartridge and process cartridgeCANON KK·Filed 2020·Granted Oct 26, 2021·0 cites·12 claims
- 3073US10747170B2Photosensitive member unit and development unitCANON KK·Filed 2019·Granted Aug 18, 2020·0 cites·19 claims
- 3172US11119442B2Photosensitive member unit and development unitCANON KK·Filed 2020·Granted Sep 14, 2021·0 cites·30 claims
- 3272US10372079B2Photosensitive member unit and development unitCANON KK·Filed 2018·Granted Aug 6, 2019·0 cites·17 claims
- 3368US7162167B2Image forming apparatus, method of adjusting developing unit of the apparatus, developing unit, and storage mediumCANON KK·Filed 2004·Granted Jan 9, 2007·10 cites·27 claims
- 3460US7054566B2Image forming apparatus, cartridge, and storage mediumCANON KK·Filed 2004·Granted May 30, 2006·7 cites·20 claims
- 3559US9766571B2Process cartridge with developing container for an image forming apparatusCANON KK·Filed 2015·Granted Sep 19, 2017·0 cites·4 claims
- 3658US9213257B2Small-sized developing device and process cartridge having stable developer regulationCANON KK·Filed 2012·Granted Dec 15, 2015·0 cites·18 claims
- 3756US5557380AApparatus for developing an electrostatic latent image having limiting blade holding deviceMITA INDUSTRIAL CO LTD·Filed 1995·Granted Sep 17, 1996·13 cites·25 claims
- 3854US6904251B2Image forming apparatus including a transfer member made of a resin material for use with toner having a specified weight particle size distributionCANON KK·Filed 2003·Granted Jun 7, 2005·5 cites·17 claims
- 3949US9002236B2Cleaning device for removing a developer from the surface of an image bearing member and process cartridgeCANON KK·Filed 2012·Granted Apr 7, 2015·0 cites·20 claims
- 4047US9098060B2Cleaning device, process cartridge, and image forming apparatusCANON KK·Filed 2014·Granted Aug 4, 2015·0 cites·33 claims
- 4147US5268718ADeveloping deviceMITA INDUSTRIAL CO LTD·Filed 1992·Granted Dec 7, 1993·9 cites·6 claims
- 4245US5737676ALatent electrostatic image developing device having regulating blade with chamferMITA IND·Filed 1996·Granted Apr 7, 1998·11 cites·3 claims
- 4342US8995900B2Cleaning member, cleaning device, process cartridge and image forming apparatusSHINDO KENJI·Filed 2012·Granted Mar 31, 2015·0 cites·33 claims
- 4437US9052678B2Cleaning device, process cartridge and image forming apparatusOKA HIDETO·Filed 2012·Granted Jun 9, 2015·0 cites·13 claims
- 4537US5530525AImage forming apparatusMITA INDUSTRIAL CO LTD·Filed 1994·Granted Jun 25, 1996·4 cites·4 claims
- 4637US5450176ADeveloping device with rigid member toner limiting meansMITA INDUSTRIAL CO LTD·Filed 1994·Granted Sep 12, 1995·5 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →