Inventor · disambiguated record
Ho-Jin Jang
Also filed as: JANG HO JIN
32 granted patents·8 pending applications·124 citations·filing 1997–2024
96Inventor score
Files withSAMSUNG ELECTRONICS CO LTD19SEMES CO LTD8S PRINTING SOLUTION CO LTD7JANG HO JIN2DAEWOO ELECTRONICS CO LTD1
Top patents by PatentIndex Score
40 records- 0190US9746801B2Cartridges and electrophotographic image forming apparatus using the sameSAMSUNG ELECTRONICS CO LTD·Filed 2016·Granted Aug 29, 2017·4 cites·17 claims
- 0290US8670690B2Process cartridge and image forming apparatus having the sameJANG HO JIN·Filed 2012·Granted Mar 11, 2014·9 cites·20 claims
- 0388US10139750B2Developing cartridge, developing apparatus and image forming apparatus having the sameS PRINTING SOLUTION CO LTD·Filed 2017·Granted Nov 27, 2018·3 cites·20 claims
- 0484US11714356B2Bake unit and apparatus for treating substrateSEMES CO LTD·Filed 2021·Granted Aug 1, 2023·1 cites·20 claims
- 0577USD765164SPrinter developerSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Aug 30, 2016·21 cites·1 claims
- 0672USD833520SCartridgeS PRINTING SOLUTION CO LTD·Filed 2017·Granted Nov 13, 2018·14 cites·1 claims
- 0771US8055150B2Image forming apparatus and frame unit thereof including a particle management deviceSAMSUNG ELECTRONICS CO LTD·Filed 2008·Granted Nov 8, 2011·3 cites·22 claims
- 0870USD833519SCartridgeS PRINTING SOLUTION CO LTD·Filed 2017·Granted Nov 13, 2018·13 cites·1 claims
- 0969US9256198B2Electrophotographic image forming apparatus and development cartridgeSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Feb 9, 2016·1 cites·15 claims
- 1066US10558144B2Developing cartridge, developing apparatus and image forming apparatus having the sameS PRINTING SOLUTION CO LTD·Filed 2018·Granted Feb 11, 2020·0 cites·19 claims
- 1165USD832340SCartridgeS PRINTING SOLUTION CO LTD·Filed 2017·Granted Oct 30, 2018·10 cites·1 claims
- 1261USD597593SDeveloping device for color laser printerSAMSUNG ELECTRONICS CO LTD·Filed 2008·Granted Aug 4, 2009·12 cites·1 claims
- 1361US2024416383A1Apparatus for treating substrateSEMES CO LTD·Filed 2024·Application pending·0 cites
- 1459US2024178011A1Substrate processing apparatus, operating method thereof, and photo spinner equipmentSEMES CO LTD·Filed 2023·Application pending·0 cites
- 1558US9323213B2Cartridge and electrophotographic image forming apparatus using the sameSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Apr 26, 2016·0 cites·36 claims
- 1657US2024192611A1Apparatus for treating substrate and method for treating a substrateSEMES CO LTD·Filed 2023·Application pending·0 cites
- 1757US2024219828A1Substrate treating method and substrate treating apparatusSEMES CO LTD·Filed 2023·Application pending·0 cites
- 1855US10884358B2Developing device having an air discharge pathHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Jan 5, 2021·0 cites·22 claims
- 1955US9465357B2Cartridge and electrophotographic image forming apparatus using the sameSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Oct 11, 2016·0 cites·61 claims
- 2053US12443108B2Substrate treating apparatusSEMES CO LTD·Filed 2022·Granted Oct 14, 2025·0 cites·16 claims
- 2152USD754248SToner cartridgeSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Apr 19, 2016·7 cites·1 claims
- 2252US2024017284A1Apparatus for processing substrateSEMES CO LTD·Filed 2023·Application pending·0 cites
- 2351US9235188B2Cartridge and electrophotographic image forming apparatus using the sameSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Jan 12, 2016·0 cites·39 claims
- 2451USD728014SCartridge for printerSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Apr 28, 2015·5 cites·1 claims
- 2550US12341027B2Treating vessel and liquid processing apparatusSEMES CO LTD·Filed 2021·Granted Jun 24, 2025·0 cites·8 claims
- 2650US9182739B2Electrophotographic image forming apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Nov 10, 2015·0 cites·15 claims
- 2750US9104169B2Electrophotographic image forming apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Aug 11, 2015·0 cites·16 claims
- 2849USD755283SToner cartridgeSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted May 3, 2016·6 cites·1 claims
- 2949US8781361B2Image forming apparatusJANG HO-JIN·Filed 2012·Granted Jul 15, 2014·0 cites·21 claims
- 3047US10466621B2Developing cartridge and electrophotographic image forming apparatus employing sameHP PRINTING KOREA CO LTD·Filed 2018·Granted Nov 5, 2019·0 cites·15 claims
- 3147US9465350B2Toner cartridge and electrophotographic image forming apparatus using the sameSAMSUNG ELECTRONICS CO LTD·Filed 2015·Granted Oct 11, 2016·0 cites·32 claims
- 3246USD755888SToner cartridgeSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted May 10, 2016·5 cites·1 claims
- 3346USD754247SToner cartridgeSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Apr 19, 2016·5 cites·1 claims
- 3443US2014341610A1Developing unit and image forming apparatus having the sameSAMSUNG ELECTRONICS CO LTD·Filed 2014·Application pending·0 cites
- 3541US2009245890A1Image forming apparatus and developer thereofSAMSUNG ELECTRONICS CO LTD·Filed 2008·Application pending·0 cites
- 3640US8837986B2Developing device of image forming apparatusSEO YOUNG WOK·Filed 2011·Granted Sep 16, 2014·0 cites·10 claims
- 3738US5833162AReel table driving device for a video cassette recorderDAEWOO ELECTRONICS CO LTD·Filed 1997·Granted Nov 10, 1998·4 cites·3 claims
- 3837US2018046129A1Development cartridge and electrophotographic image forming apparatus adopting the sameS PRINTING SOLUTION CO LTD·Filed 2017·Application pending·0 cites
- 3935USD786344SCartridge for printerS PRINTING SOLUTION CO LTD·Filed 2014·Granted May 9, 2017·1 cites·1 claims
- 4031USD774592SCartridge for printerSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Dec 20, 2016·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Ho-Jin Jang files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →