Inventor · disambiguated record
Dong-Cheol Ahn
Also filed as: AHN DONG-CHEOL · AHN DONG-CHOL · AHN DONG-GYU
20 granted patents·3 pending applications·94 citations·filing 1992–2015
93Inventor score
Top patents by PatentIndex Score
23 records- 0177USD765164SPrinter developerSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Aug 30, 2016·21 cites·1 claims
- 0274US7953346B2Developing cartridge, image forming apparatus, and method of mounting/separating developing cartridge on/from image forming apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2007·Granted May 31, 2011·4 cites·20 claims
- 0374US7302198B2Device and method to calculate a consumed amount of tonerSAMSUNG ELECTRONICS CO LTD·Filed 2004·Granted Nov 27, 2007·13 cites·18 claims
- 0471US7088929B2Apparatus to measure an amount of toner consumed and method thereofSAMSUNG ELECTRONICS CO LTD·Filed 2004·Granted Aug 8, 2006·12 cites·33 claims
- 0568US8706006B2Developing device and image forming apparatus including the sameKIM JONG-IN·Filed 2012·Granted Apr 22, 2014·1 cites·22 claims
- 0668US8050581B2Image forming apparatus and control method thereofSAMSUNG ELECTRONICS CO LTD·Filed 2009·Granted Nov 1, 2011·3 cites·25 claims
- 0759US7319835B2Image forming device having first and second light providing unitsSAMSUNG ELECTRONICS CO LTD·Filed 2003·Granted Jan 15, 2008·7 cites·4 claims
- 0858USD727411SToner cartridge for printerSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Apr 21, 2015·7 cites·1 claims
- 0952USD754248SToner cartridgeSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Apr 19, 2016·7 cites·1 claims
- 1050US9182739B2Electrophotographic image forming apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Nov 10, 2015·0 cites·15 claims
- 1149USD755283SToner cartridgeSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted May 3, 2016·6 cites·1 claims
- 1247US7995937B2Image forming apparatus and control method thereofSAMSUNG ELECTRONICS CO LTD·Filed 2009·Granted Aug 9, 2011·0 cites·27 claims
- 1346USD755888SToner cartridgeSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted May 10, 2016·5 cites·1 claims
- 1446USD754247SToner cartridgeSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Apr 19, 2016·5 cites·1 claims
- 1544US8121514B2Developing device and image forming apparatus employing the sameKIM JONG-IN·Filed 2010·Granted Feb 21, 2012·0 cites·20 claims
- 1643US8238777B2Developing device and electrophotographic image forming apparatus including the developing deviceKIM JONG-IN·Filed 2010·Granted Aug 7, 2012·0 cites·17 claims
- 1741US2005017411A1Three-dimensional shaping apparatus and method using non-contact type heating toolFiled 2004·Application pending·0 cites
- 1837US2006082823A1Image forming apparatus for periodically cleaning print unit and method thereofSAMSUNG ELECTRONICS CO LTD·Filed 2005·Application pending·0 cites
- 1937US2006204251A1Setting parameter modifying apparatus and image forming apparatus comprising sameSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 2036US9465354B2Imaging cartridge and electrophotographic image forming apparatus using the sameSAMSUNG ELECTRONICS CO LTD·Filed 2015·Granted Oct 11, 2016·0 cites·22 claims
- 2131USD807952SToner cartridge for printerS PRINTING SOLUTION CO LTD·Filed 2014·Granted Jan 16, 2018·0 cites·1 claims
- 2231USD807953SToner cartridge for printerS PRINTING SOLUTION CO LTD·Filed 2014·Granted Jan 16, 2018·0 cites·1 claims
- 2320US5217120AApparatus for loading and unloading sleeves for integrated circuit esterGOLD STAR CO·Filed 1992·Granted Jun 8, 1993·3 cites·17 claims
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