Inventor · disambiguated record
Fumitake Hirobe
Also filed as: HIROBE FUMITAKE
27 granted patents·1 pending application·328 citations·filing 1996–2014
96Inventor score
Technology areasG03G
Top patents by PatentIndex Score
28 records- 0197US7099609B2Developing deviceCANON KK·Filed 2005·Granted Aug 29, 2006·32 cites·13 claims
- 0294US7881638B2Developing apparatusCANON KK·Filed 2007·Granted Feb 1, 2011·19 cites·8 claims
- 0393US8385754B2Image forming apparatus featuring forced discharging of excessive developerCANON KK·Filed 2010·Granted Feb 26, 2013·11 cites·5 claims
- 0493US7386261B2Image forming apparatus having movable developing devices and developer replenishment deviceCANON KK·Filed 2005·Granted Jun 10, 2008·16 cites·4 claims
- 0593US6973281B2Developing apparatus with two developing chamber-rotatable member pairsCANON KK·Filed 2003·Granted Dec 6, 2005·40 cites·7 claims
- 0691US7277649B2Developing apparatus and image forming methodCANON KK·Filed 2005·Granted Oct 2, 2007·14 cites·8 claims
- 0790US7362989B2Developing apparatus for image forming apparatusCANON KK·Filed 2005·Granted Apr 22, 2008·12 cites·8 claims
- 0890US7218870B2Image forming apparatusCANON KK·Filed 2005·Granted May 15, 2007·12 cites·8 claims
- 0987US7231168B2Image forming apparatusCANON KK·Filed 2005·Granted Jun 12, 2007·9 cites·15 claims
- 1086US7054584B2Developing apparatus with first and second developing bearing members each including a magnetic field generator wherein a peak position magnetic force of the second developing members is a defined valueCANON KK·Filed 2005·Granted May 30, 2006·8 cites·4 claims
- 1186US6975825B2Developing apparatus including first and second magnets with poles arranged to supply developer without contaminationCANON KK·Filed 2003·Granted Dec 13, 2005·27 cites·11 claims
- 1285US6442355B2Developer density controlling apparatus including target density information detection and toner image density detectionCANON KK·Filed 2000·Granted Aug 27, 2002·26 cites·27 claims
- 1384US7263318B2Image forming apparatus including an index feature for extending the life of a photosensitive memberCANON KK·Filed 2005·Granted Aug 28, 2007·8 cites·16 claims
- 1483US9042757B2Image forming apparatusCANON KK·Filed 2014·Granted May 26, 2015·3 cites·8 claims
- 1583US6459862B1Developing apparatusCANON KK·Filed 2000·Granted Oct 1, 2002·22 cites·12 claims
- 1677US7630670B2Developing apparatus and image forming apparatusCANON KK·Filed 2006·Granted Dec 8, 2009·5 cites·8 claims
- 1775US7054583B2Developing device including two developer carrying membersCANON KK·Filed 2003·Granted May 30, 2006·14 cites·13 claims
- 1874US5819132AImage forming apparatus capable of toner replenishment based on density of reference toner image and toner replenishment based on ratio of toner to carrierCANON KK·Filed 1996·Granted Oct 6, 1998·24 cites·4 claims
- 1973US8559835B2Image forming apparatus capable of measuring an amount of adhered toner and controlling an image densityHIROBE FUMITAKE·Filed 2011·Granted Oct 15, 2013·2 cites·9 claims
- 2073US7826772B2Image forming apparatus using color toner and transparent tonerCANON KK·Filed 2009·Granted Nov 2, 2010·3 cites·6 claims
- 2166US6993274B2Developing apparatus with plural developer bearing members for each image bearing memberCANON KK·Filed 2003·Granted Jan 31, 2006·8 cites·10 claims
- 2266US6665502B2Image forming apparatus with electrostatic potential-based developer correctionCANON KK·Filed 2001·Granted Dec 16, 2003·8 cites·6 claims
- 2360US8768188B2Image forming apparatusCANON KK·Filed 2013·Granted Jul 1, 2014·0 cites·15 claims
- 2458US7596345B2Image forming apparatus with a developer comprising at least a toner and a first external additiveCANON KK·Filed 2006·Granted Sep 29, 2009·1 cites·6 claims
- 2553US6856773B2Image forming apparatus with electrostatic potential-based developer correctionCANON KK·Filed 2003·Granted Feb 15, 2005·4 cites·5 claims
- 2649US9052636B2Image forming apparatusCANON KK·Filed 2013·Granted Jun 9, 2015·0 cites·3 claims
- 2745US2015125186A1Developing apparatusCANON KK·Filed 2014·Application pending·0 cites
- 2843US8744294B2Electrophotographic image forming apparatus with image density controlNOGUCHI AKIHIRO·Filed 2012·Granted Jun 3, 2014·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →