Inventor · disambiguated record
Masahito Hamaya
Also filed as: HAMAYA MASAHITO
32 granted patents·1 pending application·74 citations·filing 2007–2020
94Inventor score
Top patents by PatentIndex Score
33 records- 0196US8913903B2Image forming apparatus capable of electrically detecting usage state of process cartridge mounted thereinHAMAYA MASAHITO·Filed 2012·Granted Dec 16, 2014·31 cites·8 claims
- 0288US7986889B2Abnormality detection in an image forming apparatusBROTHER IND LTD·Filed 2008·Granted Jul 26, 2011·10 cites·16 claims
- 0386US7764889B2Image-forming deviceBROTHER IND LTD·Filed 2007·Granted Jul 27, 2010·9 cites·15 claims
- 0481US8019241B2Image forming apparatusBROTHER IND LTD·Filed 2008·Granted Sep 13, 2011·6 cites·18 claims
- 0576US8259353B2Image forming apparatusHAMAYA MASAHITO·Filed 2009·Granted Sep 4, 2012·4 cites·13 claims
- 0669US9058016B2Printing apparatusHAMAYA MASAHITO·Filed 2013·Granted Jun 16, 2015·1 cites·4 claims
- 0769US8792798B2Image forming apparatus having a configuration to prevent electric discharge in a cleaning memberINUKAI KATSUMI·Filed 2011·Granted Jul 29, 2014·1 cites·16 claims
- 0869US7813658B2Image forming apparatusBROTHER IND LTD·Filed 2008·Granted Oct 12, 2010·3 cites·9 claims
- 0967US9207613B2Image forming apparatusHAMAYA MASAHITO·Filed 2013·Granted Dec 8, 2015·1 cites·13 claims
- 1067US8862004B2Image forming apparatus including chargers and a current detecing unit that detects a sum of currents of the chargersMARUYAMA TSUYOSHI·Filed 2011·Granted Oct 14, 2014·1 cites·12 claims
- 1166US8346115B2Power supply circuit identification device for identifying a type of a power supply circuit and image forming apparatusBROTHER IND LTD·Filed 2010·Granted Jan 1, 2013·1 cites·15 claims
- 1263US8301044B2Image forming devices including electrification control unitsHAMAYA MASAHITO·Filed 2009·Granted Oct 30, 2012·2 cites·7 claims
- 1361US9128409B2Circuit board configuration for image forming apparatusBROTHER IND LTD·Filed 2014·Granted Sep 8, 2015·0 cites·10 claims
- 1456US8750743B2Image forming apparatusHAMAYA MASAHITO·Filed 2012·Granted Jun 10, 2014·0 cites·9 claims
- 1556US8086116B2Image forming apparatus having photosensitive member mounted in process cartridgeHAMAYA MASAHITO·Filed 2009·Granted Dec 27, 2011·1 cites·4 claims
- 1655US7933525B2Image forming apparatus including a cleaning deviceBROTHER IND LTD·Filed 2007·Granted Apr 26, 2011·1 cites·17 claims
- 1752US8886074B2Image forming apparatusHAMAYA MASAHITO·Filed 2013·Granted Nov 11, 2014·0 cites·15 claims
- 1851US10739724B2Image forming apparatusBROTHER IND LTD·Filed 2019·Granted Aug 11, 2020·0 cites·18 claims
- 1950US8001396B2Feedback control deviceBROTHER IND LTD·Filed 2008·Granted Aug 16, 2011·2 cites·11 claims
- 2049US8929765B2Image forming apparatusHAMAYA MASAHITO·Filed 2013·Granted Jan 6, 2015·0 cites·7 claims
- 2147US9835969B2Image forming apparatus having a plurality of selectively charged photosensitive bodies and controlling method for sameBROTHER IND LTD·Filed 2016·Granted Dec 5, 2017·0 cites·12 claims
- 2247US8330585B2Power supply employing pulse-width modulation and digital-to-analog converter, power supply control device, and manufacturing method of the sameHAMAYA MASAHITO·Filed 2009·Granted Dec 11, 2012·0 cites·16 claims
- 2347US7899351B2Image forming deviceBROTHER IND LTD·Filed 2009·Granted Mar 1, 2011·0 cites·12 claims
- 2446US9116501B2Connection electrode, attachment unit, and image forming apparatus comprising the sameBROTHER IND LTD·Filed 2014·Granted Aug 25, 2015·0 cites·11 claims
- 2546US8004261B2Power supply unit and image forming apparatus including the sameBROTHER IND LTD·Filed 2009·Granted Aug 23, 2011·0 cites·9 claims
- 2646US7953336B2Image forming apparatus with recovery unitBROTHER IND LTD·Filed 2009·Granted May 31, 2011·0 cites·9 claims
- 2745US10268151B2Image forming apparatus having photoconductor and method of controlling the sameBROTHER IND LTD·Filed 2018·Granted Apr 23, 2019·0 cites·20 claims
- 2845US8594521B2Image forming apparatusMARUYAMA TSUYOSHI·Filed 2011·Granted Nov 26, 2013·0 cites·12 claims
- 2943US8391728B2Image forming apparatus and voltage applying device comprising a control unit for controlling another control unit when the other control unit is abnormally restartedMARUYAMA TSUYOSHI·Filed 2010·Granted Mar 5, 2013·0 cites·17 claims
- 3042US11099520B2Image forming apparatus executing maintenance mode for diagnosing cleaning memberBROTHER IND LTD·Filed 2020·Granted Aug 24, 2021·0 cites·14 claims
- 3141US8165480B2Image forming apparatus with image carrier deterioration detectionHAMAYA MASAHITO·Filed 2008·Granted Apr 24, 2012·0 cites·9 claims
- 3238US8401407B2Image forming apparatus and method for testing connection of a voltage line for applying voltage to the image forming apparatusHAMAYA MASAHITO·Filed 2010·Granted Mar 19, 2013·0 cites·13 claims
- 3336US2012141153A1Image forming apparatusNOZAKI TAKAHIRO·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →