Assignee
HIROTA TETSURO
JP·10 granted patents·14 citations·filing 2008–2016
Top patents by PatentIndex Score
10 records- 0190US9523664B2Powder detector, image forming apparatus including same, and powder detecting methodHIROTA TETSURO·Filed 2015·Granted Dec 20, 2016·4 cites·15 claims
- 0287US9507291B2Magnetic permeability detector, developing device, image forming apparatus, and oscillation signal frequency calculation method thereforHIROTA TETSURO·Filed 2015·Granted Nov 29, 2016·2 cites·24 claims
- 0380US9170233B2Magnetic permeability detector, developing device, image forming apparatus, and oscillation signal frequency calculation method thereforHIROTA TETSURO·Filed 2014·Granted Oct 27, 2015·2 cites·26 claims
- 0477US8259142B2Image forming apparatus with developer passage amount control electrodesHIROTA TETSURO·Filed 2010·Granted Sep 4, 2012·2 cites·6 claims
- 0574US8066348B2Image forming apparatus and defective nozzle detection methodHIROTA TETSURO·Filed 2008·Granted Nov 29, 2011·4 cites·18 claims
- 0662US9507290B2Magnetic permeability detector, developing device, image forming apparatus, and oscillation signal frequency calculation method thereforHIROTA TETSURO·Filed 2015·Granted Nov 29, 2016·0 cites·19 claims
- 0747US10099876B2Sheet material thickness detection device, sheet material anomaly detection device, sheet material feeding device, and image forming deviceHIROTA TETSURO·Filed 2016·Granted Oct 16, 2018·0 cites·19 claims
- 0841US10114323B2Sheet size detector and image processing apparatusHIROTA TETSURO·Filed 2015·Granted Oct 30, 2018·0 cites·19 claims
- 0939US8897681B2Developing device, image forming apparatus, and image forming methodHIROTA TETSURO·Filed 2011·Granted Nov 25, 2014·0 cites·15 claims
- 1036US8594540B2Development device, process cartridge incorporating same, and image forming apparatus incorporating sameHIROTA TETSURO·Filed 2011·Granted Nov 26, 2013·0 cites·19 claims
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