Inventor · disambiguated record
Chang-Kyung Ko
Also filed as: KO CHANG-KYUNG
19 granted patents·1 pending application·369 citations·filing 1993–2014
95Inventor score
Top patents by PatentIndex Score
20 records- 0196US5579088AImage forming apparatus having programmable developer cartridgeSAMSUNG ELECTRONICS CO LTD·Filed 1994·Granted Nov 26, 1996·69 cites·19 claims
- 0295US5457766AFan speed control circuitSAMSUNG ELECTRONICS CO LTD·Filed 1993·Granted Oct 10, 1995·95 cites·12 claims
- 0394US8036590B2Image forming apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2008·Granted Oct 11, 2011·13 cites·20 claims
- 0487US5587770ADevice for detecting remaining level of tonerSAMSUNG ELECTRONICS CO LTD·Filed 1995·Granted Dec 24, 1996·44 cites·21 claims
- 0586US8412090B2Image forming apparatusJANG JAE YOUNG·Filed 2011·Granted Apr 2, 2013·3 cites·20 claims
- 0677US8787816B2Image forming apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Jul 22, 2014·1 cites·9 claims
- 0775US8705112B2Method and apparatus for controlling color registration sensorsSAMSUNG ELECTRONICS CO LTD·Filed 2012·Granted Apr 22, 2014·1 cites·20 claims
- 0875US7933040B2Method and apparatus for controlling color registration sensorsSAMSUNG ELECTRONICS CO LTD·Filed 2006·Granted Apr 26, 2011·3 cites·25 claims
- 0974US5661550AMethod and apparatus for detecting a width of a printing medium manually fed to an image forming apparatusSAMSUNG ELECTRONICS CO LTD·Filed 1995·Granted Aug 26, 1997·24 cites·13 claims
- 1072US5822651ATransfer voltage adjusting deviceSAMSUNG ELECTRONICS CO LTD·Filed 1997·Granted Oct 13, 1998·25 cites·15 claims
- 1168US5839026AMethod of controlling charge voltage of image forming apparatus using electrophotographic developing processSAMSUNG ELECTRONICS CO LTD·Filed 1997·Granted Nov 17, 1998·19 cites·18 claims
- 1263US9285750B2Image forming apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Mar 15, 2016·0 cites·32 claims
- 1362US6771911B2Apparatus for and method of controlling toner densitySAMSUNG ELECTRONICS CO LTD·Filed 2002·Granted Aug 3, 2004·8 cites·20 claims
- 1459US5373141AFusing temperature control circuitSAMSUNG ELECTRONICS CO LTD·Filed 1993·Granted Dec 13, 1994·23 cites·16 claims
- 1557US5950037AImage forming apparatus with power conservation in accordance with ambient lightSAMSUNG ELECTRONICS CO LTD·Filed 1996·Granted Sep 7, 1999·13 cites·16 claims
- 1656US8325384B2Method and apparatus for controlling color registration sensorsEOM YOON-SEOP·Filed 2011·Granted Dec 4, 2012·0 cites·7 claims
- 1756US5805962AAuxiliary charging device of electrophotography printing apparatusSAMSUNG ELECTRONICS CO LTD·Filed 1997·Granted Sep 8, 1998·12 cites·20 claims
- 1844US5793935APaper saving apparatus for use in an image forming systemSAMSUNG ELECTRONICS CO LTD·Filed 1997·Granted Aug 11, 1998·10 cites·19 claims
- 1943US5845171ATechnique for controlling developing voltage of image forming deviceSAMSUNG ELECTRONICS CO LTD·Filed 1997·Granted Dec 1, 1998·6 cites·8 claims
- 2037US2007098463A1Color registration compensation apparatus and method for electro-photographic image forming deviceSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →