Inventor · disambiguated record
Masamitsu Ukai
Also filed as: UKAI MASAMITSU
27 granted patents·190 citations·filing 2003–2018
96Inventor score
Top patents by PatentIndex Score
27 records- 0198US8867932B2Cartridge and image forming apparatusBROTHER IND LTD·Filed 2013·Granted Oct 21, 2014·21 cites·18 claims
- 0298US8463145B2CartridgeUKAI MASAMITSU·Filed 2011·Granted Jun 11, 2013·58 cites·36 claims
- 0394US7720430B2Image forming apparatusBROTHER IND LTD·Filed 2005·Granted May 18, 2010·19 cites·32 claims
- 0491US9796542B2Sheet feeding device and image forming apparatus employing the sameBROTHER IND LTD·Filed 2016·Granted Oct 24, 2017·5 cites·9 claims
- 0591US9207632B2Developing cartridge provided with detection bodyBROTHER IND LTD·Filed 2015·Granted Dec 8, 2015·4 cites·19 claims
- 0691US8995846B2Cartridge mountable on image-forming apparatusITABASHI NAO·Filed 2012·Granted Mar 31, 2015·5 cites·51 claims
- 0791US7599641B2Exhaust system of image forming deviceBROTHER IND LTD·Filed 2008·Granted Oct 6, 2009·10 cites·11 claims
- 0890US10564596B2Image forming apparatus having a drawer including an exposure headBROTHER IND LTD·Filed 2018·Granted Feb 18, 2020·4 cites·24 claims
- 0990US7991322B2Image forming apparatusBROTHER IND LTD·Filed 2009·Granted Aug 2, 2011·11 cites·10 claims
- 1088US8768182B2Cartridge detectionMUSHIKA MOTOAKI·Filed 2012·Granted Jul 1, 2014·4 cites·13 claims
- 1187US9309084B2Image forming apparatus having metal bracket attached to frameBROTHER IND LTD·Filed 2015·Granted Apr 12, 2016·4 cites·25 claims
- 1284US8657278B2Image forming apparatusOZEKI NAOTO·Filed 2012·Granted Feb 25, 2014·8 cites·11 claims
- 1384US7403741B2Exhaust system of image forming deviceBROTHER IND LTD·Filed 2003·Granted Jul 22, 2008·20 cites·15 claims
- 1480US8488989B2Image forming device having exhaust channel for exhausting air out of the deviceUKAI MASAMITSU·Filed 2010·Granted Jul 16, 2013·3 cites·10 claims
- 1574US8821055B2Image forming apparatusUKAI MASAMITSU·Filed 2012·Granted Sep 2, 2014·2 cites·9 claims
- 1673US7869734B2Image forming apparatus including a holding portion having an air ventBROTHER IND LTD·Filed 2007·Granted Jan 11, 2011·3 cites·15 claims
- 1769US8346129B2Image forming device having a mechanism for driving a fixing rollerBROTHER IND LTD·Filed 2009·Granted Jan 1, 2013·3 cites·13 claims
- 1864US9599929B2Cartridge and image forming apparatusBROTHER IND LTD·Filed 2014·Granted Mar 21, 2017·0 cites·18 claims
- 1963US9612552B2Cartridge and image forming apparatusBROTHER IND LTD·Filed 2016·Granted Apr 4, 2017·0 cites·10 claims
- 2063US7962065B2Image forming apparatusBROTHER IND LTD·Filed 2007·Granted Jun 14, 2011·2 cites·19 claims
- 2162US8958707B2Cartridge detectionBROTHER IND LTD·Filed 2014·Granted Feb 17, 2015·0 cites·7 claims
- 2262US7606512B2Image forming device with cover protrusionsBROTHER IND LTD·Filed 2007·Granted Oct 20, 2009·2 cites·10 claims
- 2361US7907865B2Image forming device capable of preventing wear to electrodesBROTHER IND LTD·Filed 2006·Granted Mar 15, 2011·2 cites·19 claims
- 2453US8000626B2Image forming apparatus including holding portion having air ventBROTHER IND LTD·Filed 2010·Granted Aug 16, 2011·0 cites·25 claims
- 2547US9013767B2Image reading apparatus and method for manufacturing the sameMINOSHIMA SAYA·Filed 2014·Granted Apr 21, 2015·0 cites·14 claims
- 2647US8019269B2Image forming apparatusBROTHER IND LTD·Filed 2008·Granted Sep 13, 2011·0 cites·18 claims
- 2741US8561981B2Image forming apparatus with a pair of expansion membersUKAI MASAMITSU·Filed 2012·Granted Oct 22, 2013·0 cites·8 claims
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