Inventor
HAMAYA MASAHITO
JP32 patents
⚠️ This page may combine multiple inventors who share the name “HAMAYA MASAHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BROTHER IND LTD
16 patentsUS7986889B2Jul 26, 2011
Abnormality detection in an image forming apparatus
BROTHER IND LTD10 citations83
US7764889B2Jul 27, 2010
Image-forming device
BROTHER IND LTD9 citations83
US8019241B2Sep 13, 2011
Image forming apparatus
BROTHER IND LTD6 citations62
US8001396B2Aug 16, 2011
Feedback control device
BROTHER IND LTD2 citations62
US7813658B2Oct 12, 2010
Image forming apparatus
BROTHER IND LTD3 citations61
US9128409B2Sep 8, 2015
Circuit board configuration for image forming apparatus
BROTHER IND LTD0 citations51
US8346115B2Jan 1, 2013
Power supply circuit identification device for identifying a type of a power supply circuit and image forming apparatus
BROTHER IND LTD1 citations51
US7933525B2Apr 26, 2011
Image forming apparatus including a cleaning device
BROTHER IND LTD1 citations51
US7899351B2Mar 1, 2011
Image forming device
BROTHER IND LTD0 citations50
US9116501B2Aug 25, 2015
Connection electrode, attachment unit, and image forming apparatus comprising the same
BROTHER IND LTD0 citations49
US11099520B2Aug 24, 2021
Image forming apparatus executing maintenance mode for diagnosing cleaning member
BROTHER IND LTD0 citations45
US10739724B2Aug 11, 2020
Image forming apparatus
BROTHER IND LTD0 citations42
US9835969B2Dec 5, 2017
Image forming apparatus having a plurality of selectively charged photosensitive bodies and controlling method for same
BROTHER IND LTD0 citations41
US8004261B2Aug 23, 2011
Power supply unit and image forming apparatus including the same
BROTHER IND LTD0 citations41
US7953336B2May 31, 2011
Image forming apparatus with recovery unit
BROTHER IND LTD0 citations41
US10268151B2Apr 23, 2019
Image forming apparatus having photoconductor and method of controlling the same
BROTHER IND LTD0 citations38
HAMAYA MASAHITO
12 patentsUS8913903B2Dec 16, 2014
Image forming apparatus capable of electrically detecting usage state of process cartridge mounted therein
HAMAYA MASAHITO31 citations92
US8301044B2Oct 30, 2012
Image forming devices including electrification control units
HAMAYA MASAHITO2 citations62
US8259353B2Sep 4, 2012
Image forming apparatus
HAMAYA MASAHITO4 citations62
US9207613B2Dec 8, 2015
Image forming apparatus
HAMAYA MASAHITO1 citations51
US9058016B2Jun 16, 2015
Printing apparatus
HAMAYA MASAHITO1 citations51
US8886074B2Nov 11, 2014
Image forming apparatus
HAMAYA MASAHITO0 citations51
US8750743B2Jun 10, 2014
Image forming apparatus
HAMAYA MASAHITO0 citations51
US8330585B2Dec 11, 2012
Power supply employing pulse-width modulation and digital-to-analog converter, power supply control device, and manufacturing method of the same
HAMAYA MASAHITO0 citations51
US8086116B2Dec 27, 2011
Image forming apparatus having photosensitive member mounted in process cartridge
HAMAYA MASAHITO1 citations51
US8929765B2Jan 6, 2015
Image forming apparatus
HAMAYA MASAHITO0 citations41
US8401407B2Mar 19, 2013
Image forming apparatus and method for testing connection of a voltage line for applying voltage to the image forming apparatus
HAMAYA MASAHITO0 citations41
US8165480B2Apr 24, 2012
Image forming apparatus with image carrier deterioration detection
HAMAYA MASAHITO0 citations39
MARUYAMA TSUYOSHI
3 patentsUS8862004B2Oct 14, 2014
Image forming apparatus including chargers and a current detecing unit that detects a sum of currents of the chargers
MARUYAMA TSUYOSHI1 citations51
US8594521B2Nov 26, 2013
Image forming apparatus
MARUYAMA TSUYOSHI0 citations41
US8391728B2Mar 5, 2013
Image forming apparatus and voltage applying device comprising a control unit for controlling another control unit when the other control unit is abnormally restarted
MARUYAMA TSUYOSHI0 citations41