Inventor · disambiguated record
Seung-Gweon Lee
Also filed as: LEE SEUNG-GWEON
30 granted patents·4 pending applications·80 citations·filing 2002–2020
95Inventor score
Files withSAMSUNG ELECTRONICS CO LTD15HEWLETT PACKARD DEVELOPMENT CO7S PRINTING SOLUTION CO LTD4GRADCO LTD2CHOI SAM-SEOK1
Top patents by PatentIndex Score
34 records- 0190US9746801B2Cartridges and electrophotographic image forming apparatus using the sameSAMSUNG ELECTRONICS CO LTD·Filed 2016·Granted Aug 29, 2017·4 cites·17 claims
- 0287US8073355B2Memory, toner cartridge, developing device and image forming apparatus having the sameLEE SEUNG-GWEON·Filed 2008·Granted Dec 6, 2011·14 cites·48 claims
- 0378US11126113B2Structure for releasing internal pressure in development cartridge when refilling tonerHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Sep 21, 2021·1 cites·15 claims
- 0475US11366407B2Structure to refill toner to development cartridge mounted in main bodyHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Jun 21, 2022·1 cites·13 claims
- 0572USD833520SCartridgeS PRINTING SOLUTION CO LTD·Filed 2017·Granted Nov 13, 2018·14 cites·1 claims
- 0670USD833519SCartridgeS PRINTING SOLUTION CO LTD·Filed 2017·Granted Nov 13, 2018·13 cites·1 claims
- 0769US9256198B2Electrophotographic image forming apparatus and development cartridgeSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Feb 9, 2016·1 cites·15 claims
- 0865USD832340SCartridgeS PRINTING SOLUTION CO LTD·Filed 2017·Granted Oct 30, 2018·10 cites·1 claims
- 0964US9417560B2Cartridge unit and electrophotographic image forming apparatus including the sameSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Aug 16, 2016·0 cites·19 claims
- 1063US11112750B2Development cartridge having a switch member to rotate developing unit to a development positionHEWLETT PACKARD DEVELOPMENT CO·Filed 2020·Granted Sep 7, 2021·0 cites·25 claims
- 1161US9778595B2Cartridge unit and electrophotographic image forming apparatus including the sameSAMSUNG ELECTRONICS CO LTD·Filed 2016·Granted Oct 3, 2017·0 cites·19 claims
- 1260US11281125B2Toner refill cartridge with structure for preventing toner discharging part from being blocked by weight partHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Mar 22, 2022·0 cites·20 claims
- 1360US10698362B2Development cartridge having a switch member to rotate developing unit to a development positionHP PRINTING KOREA CO LTD·Filed 2017·Granted Jun 30, 2020·0 cites·20 claims
- 1457US8139988B2Developing device of image forming apparatusMOON JI WON·Filed 2009·Granted Mar 20, 2012·1 cites·28 claims
- 1557US7063248B2Stapler moving guide deviceGRADCO LTD·Filed 2002·Granted Jun 20, 2006·7 cites·6 claims
- 1655US9778617B2Process cartridge having fixed and moveable electric contacts and electro-photographic image forming apparatus using the process cartridgeSAMSUNG ELECTRONICS CO LTD·Filed 2016·Granted Oct 3, 2017·0 cites·20 claims
- 1753US11036164B2Toner cartridge for refilling toner by using elastic forceHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Jun 15, 2021·0 cites·15 claims
- 1851USD728014SCartridge for printerSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Apr 28, 2015·5 cites·1 claims
- 1951US8422915B2Developer cartridge, developing device, and image forming apparatus having the sameCHOI SAM-SEOK·Filed 2008·Granted Apr 16, 2013·1 cites·45 claims
- 2050US9182739B2Electrophotographic image forming apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Nov 10, 2015·0 cites·15 claims
- 2150US9104169B2Electrophotographic image forming apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Aug 11, 2015·0 cites·16 claims
- 2249US8781361B2Image forming apparatusJANG HO-JIN·Filed 2012·Granted Jul 15, 2014·0 cites·21 claims
- 2348US11231662B2Shutter structure for toner refill cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Jan 25, 2022·0 cites·20 claims
- 2448USD624583SDeveloping device for a color printerSAMSUNG ELECTRONICS CO LTD·Filed 2008·Granted Sep 28, 2010·6 cites·1 claims
- 2547US8948664B2Developing device conveying assembly for image forming apparatus and image forming apparatus having the sameSHIN JAE HYUN·Filed 2012·Granted Feb 3, 2015·0 cites·31 claims
- 2646US9658571B2Developing device and image forming apparatus including the sameSAMSUNG ELECTRONICS CO LTD·Filed 2015·Granted May 23, 2017·0 cites·18 claims
- 2743US7147217B2Paper binding system of image forming apparatus and method for controlling the sameGRADCO LTD·Filed 2002·Granted Dec 12, 2006·1 cites·24 claims
- 2843US2014341610A1Developing unit and image forming apparatus having the sameSAMSUNG ELECTRONICS CO LTD·Filed 2014·Application pending·0 cites
- 2940US2008304880A1Transfer apparatus and image forming apparatus having the sameSAMSUNG ELECTRONICS CO LTD·Filed 2008·Application pending·0 cites
- 3039US2008063438A1Developer regulating apparatus and developing unit and image forming apparatus having the sameSAMSUNG ELECTRONICS CO LTD·Filed 2007·Application pending·0 cites
- 3138US2007059025A1Image forming apparatus which can prevent toner from scatteringSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 3235USD786344SCartridge for printerS PRINTING SOLUTION CO LTD·Filed 2014·Granted May 9, 2017·1 cites·1 claims
- 3331USD774592SCartridge for printerSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Dec 20, 2016·0 cites·1 claims
- 3428USD907698SDevelopment cartridge for a printerHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Jan 12, 2021·0 cites·1 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →