Inventor
UKAI MASAMITSU
JP27 patents
⚠️ This page may combine multiple inventors who share the name “UKAI MASAMITSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BROTHER IND LTD
19 patentsUS8867932B2Oct 21, 2014
Cartridge and image forming apparatus
BROTHER IND LTD21 citations92
US7403741B2Jul 22, 2008
Exhaust system of image forming device
BROTHER IND LTD20 citations92
US7991322B2Aug 2, 2011
Image forming apparatus
BROTHER IND LTD11 citations84
US7720430B2May 18, 2010
Image forming apparatus
BROTHER IND LTD19 citations84
US7599641B2Oct 6, 2009
Exhaust system of image forming device
BROTHER IND LTD10 citations84
US9796542B2Oct 24, 2017
Sheet feeding device and image forming apparatus employing the same
BROTHER IND LTD5 citations73
US9207632B2Dec 8, 2015
Developing cartridge provided with detection body
BROTHER IND LTD4 citations73
US10564596B2Feb 18, 2020
Image forming apparatus having a drawer including an exposure head
BROTHER IND LTD4 citations72
US9309084B2Apr 12, 2016
Image forming apparatus having metal bracket attached to frame
BROTHER IND LTD4 citations72
US8346129B2Jan 1, 2013
Image forming device having a mechanism for driving a fixing roller
BROTHER IND LTD3 citations62
US7962065B2Jun 14, 2011
Image forming apparatus
BROTHER IND LTD2 citations62
US7907865B2Mar 15, 2011
Image forming device capable of preventing wear to electrodes
BROTHER IND LTD2 citations62
US7869734B2Jan 11, 2011
Image forming apparatus including a holding portion having an air vent
BROTHER IND LTD3 citations62
US7606512B2Oct 20, 2009
Image forming device with cover protrusions
BROTHER IND LTD2 citations62
US9612552B2Apr 4, 2017
Cartridge and image forming apparatus
BROTHER IND LTD0 citations52
US9599929B2Mar 21, 2017
Cartridge and image forming apparatus
BROTHER IND LTD0 citations52
US8958707B2Feb 17, 2015
Cartridge detection
BROTHER IND LTD0 citations52
US8019269B2Sep 13, 2011
Image forming apparatus
BROTHER IND LTD0 citations52
US8000626B2Aug 16, 2011
Image forming apparatus including holding portion having air vent
BROTHER IND LTD0 citations52
UKAI MASAMITSU
4 patentsUS8463145B2Jun 11, 2013
Cartridge
UKAI MASAMITSU58 citations97
US8821055B2Sep 2, 2014
Image forming apparatus
UKAI MASAMITSU2 citations61
US8488989B2Jul 16, 2013
Image forming device having exhaust channel for exhausting air out of the device
UKAI MASAMITSU3 citations61
US8561981B2Oct 22, 2013
Image forming apparatus with a pair of expansion members
UKAI MASAMITSU0 citations40