Assignee
KUBOTA TOMOHIRO
JP·17 granted patents·69 citations·filing 2008–2018
Technology mixG03G13
Top patents by PatentIndex Score
17 records- 0197US8744321B2Developer container, developing device, process unit, and image forming apparatusKUBOTA TOMOHIRO·Filed 2013·Granted Jun 3, 2014·17 cites·30 claims
- 0295US8792808B2Developer container, developing device, process unit, and image forming apparatusKUBOTA TOMOHIRO·Filed 2013·Granted Jul 29, 2014·7 cites·35 claims
- 0394US10175607B2Developer container including a convex portion, a rotator, and a recessKUBOTA TOMOHIRO·Filed 2017·Granted Jan 8, 2019·4 cites·31 claims
- 0492US8571426B2Toner supply method, development device, process unit, and image forming apparatusKUBOTA TOMOHIRO·Filed 2011·Granted Oct 29, 2013·8 cites·20 claims
- 0586US8861991B2Developer amount detector, and developer container, development device, and image forming apparatus incorporating sameKUBOTA TOMOHIRO·Filed 2012·Granted Oct 14, 2014·4 cites·18 claims
- 0685US10496013B2Developing device, process cartridge, and image forming apparatusKUBOTA TOMOHIRO·Filed 2018·Granted Dec 3, 2019·2 cites·13 claims
- 0785US8442414B2Seal member, developing device, process cartridge, and image forming apparatusKUBOTA TOMOHIRO·Filed 2011·Granted May 14, 2013·3 cites·23 claims
- 0881US8260186B2Toner cartridge with refillable fresh and residual toner chambers, process cartridge, and method of making toner cartridge reusableKUBOTA TOMOHIRO·Filed 2008·Granted Sep 4, 2012·6 cites·8 claims
- 0977US8774683B2Development device, developer container, and image forming apparatusKUBOTA TOMOHIRO·Filed 2012·Granted Jul 8, 2014·2 cites·22 claims
- 1076US10295933B2Developer container, developing device, process unit, and image forming apparatusKUBOTA TOMOHIRO·Filed 2018·Granted May 21, 2019·0 cites·7 claims
- 1169US9176419B2Developer container, developing device, process unit, and image forming apparatusKUBOTA TOMOHIRO·Filed 2014·Granted Nov 3, 2015·0 cites·19 claims
- 1267US9280130B2Developer container, developing device, process unit, and image forming apparatusKUBOTA TOMOHIRO·Filed 2015·Granted Mar 8, 2016·0 cites·26 claims
- 1367US8081897B2Seal member, developing device, process cartridge, and image forming apparatusKUBOTA TOMOHIRO·Filed 2008·Granted Dec 20, 2011·2 cites·20 claims
- 1449USD723099SPowder containerKUBOTA TOMOHIRO·Filed 2013·Granted Feb 24, 2015·6 cites·1 claims
- 1546USD724655SPowder containerKUBOTA TOMOHIRO·Filed 2013·Granted Mar 17, 2015·4 cites·1 claims
- 1639USD698387SPowder containerKUBOTA TOMOHIRO·Filed 2012·Granted Jan 28, 2014·3 cites·1 claims
- 1734USD712463SPowder containerKUBOTA TOMOHIRO·Filed 2013·Granted Sep 2, 2014·1 cites·1 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →