Inventor · disambiguated record
Byeong-Hwa Ahn
Also filed as: AHN BYEONG-HWA
38 granted patents·4 pending applications·347 citations·filing 1997–2014
97Inventor score
Top patents by PatentIndex Score
42 records- 0196US6725004B2Coupling apparatus used with a printer or photocopierSAMSUNG ELECTRONICS CO LTD·Filed 2002·Granted Apr 20, 2004·87 cites·18 claims
- 0294US7343118B2Door shock absorber and image forming apparatus employing the sameSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Mar 11, 2008·17 cites·20 claims
- 0392US7909318B2Image forming apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2008·Granted Mar 22, 2011·17 cites·16 claims
- 0492US6892042B2Coupling apparatus, development cartridge and electrophotographic printer having the sameSAMSUNG ELECTRONICS CO LTD·Filed 2002·Granted May 10, 2005·37 cites·42 claims
- 0591US5953575APaper guide device for duplex image forming apparatusSAMSUNG ELECTRONICS CO LTD·Filed 1998·Granted Sep 14, 1999·66 cites·20 claims
- 0687US7450886B2Developer-driving device and image forming apparatus having the sameSAMSUNG ELECTRONICS CO LTD·Filed 2006·Granted Nov 11, 2008·10 cites·16 claims
- 0784US8948654B2Transfer device and image forming apparatus having the sameSAMSUNG ELECTRONICS CO LTD·Filed 2012·Granted Feb 3, 2015·3 cites·13 claims
- 0883US7448623B2Paper feeding mechanism and image forming apparatus employing the sameSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Nov 11, 2008·7 cites·13 claims
- 0981US7054578B2System to replace a photosensitive unit and a transfer unit and a printer having the systemSAMSUNG ELECTRONICS CO LTD·Filed 2004·Granted May 30, 2006·19 cites·28 claims
- 1080US8903274B2Image forming apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2012·Granted Dec 2, 2014·2 cites·14 claims
- 1176US7076187B2Electrophotographic printerSAMSUNG ELECTRONICS CO LTD·Filed 2004·Granted Jul 11, 2006·15 cites·26 claims
- 1272US7835666B2Image forming apparatus and power transmission unit thereofSAMSUNG ELECTRONICS CO LTD·Filed 2007·Granted Nov 16, 2010·4 cites·25 claims
- 1370US8824914B2Safety system for image forming apparatus having expendable developing unitJEONG GI CHEOL·Filed 2011·Granted Sep 2, 2014·2 cites·24 claims
- 1470US7702258B2Color image forming apparatus with color registration compensation unitSAMSUNG ELECTRONICS CO LTD·Filed 2006·Granted Apr 20, 2010·3 cites·21 claims
- 1568US7218868B2Image forming apparatus having locking/releasing unitSAMSUNG ELECTRONICS CO LTD·Filed 2004·Granted May 15, 2007·10 cites·36 claims
- 1667US7302215B2Electrophotographic image forming apparatus having a separator to separate a printing medium from a transfer beltSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Nov 27, 2007·4 cites·20 claims
- 1765US7877051B2Fusing unit and image forming apparatus having the sameSAMSUNG ELECTRONICS CO LTD·Filed 2008·Granted Jan 25, 2011·2 cites·25 claims
- 1865US7672614B2Driving apparatus, process cartridge and image forming device having the sameSAMSUNG ELECTRONICS CO LTD·Filed 2006·Granted Mar 2, 2010·2 cites·19 claims
- 1965US7343129B2Image forming apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Mar 11, 2008·2 cites·18 claims
- 2064US7787803B2Image forming apparatus having controller to selectively control plurality of driving sourcesSAMSUNG ELECTRONICS CO LTD·Filed 2007·Granted Aug 31, 2010·2 cites·17 claims
- 2164US6873819B2Wasted toner storing apparatus of an image forming apparatus having a rotating dispersing memberSAMSUNG ELECTRONICS CO LTD·Filed 2003·Granted Mar 29, 2005·8 cites·16 claims
- 2263US9280128B2Image forming apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Mar 8, 2016·0 cites·14 claims
- 2362US9280097B2Transfer device and image forming apparatus having the sameSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Mar 8, 2016·0 cites·9 claims
- 2462US7693450B2Developing unit and an image forming apparatus including the developing unitSAMSUNG ELECTRONICS CO LTD·Filed 2006·Granted Apr 6, 2010·2 cites·18 claims
- 2560US8750779B2Image forming apparatus and control method thereofAHN BYEONG HWA·Filed 2007·Granted Jun 10, 2014·2 cites·29 claims
- 2657US9213285B2Image forming apparatus and control method thereofSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Dec 15, 2015·0 cites·25 claims
- 2756US6832063B2Apparatus for driving developers of color image forming apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2003·Granted Dec 14, 2004·6 cites·12 claims
- 2853US7266321B2Apparatus for supplying voltage to developing deviceSAMSUNG ELECTRONICS CO LTD·Filed 2003·Granted Sep 4, 2007·5 cites·10 claims
- 2947US8903299B2Image forming apparatus and a waste toner recovery device thereofLEE JUN HO·Filed 2009·Granted Dec 2, 2014·0 cites·22 claims
- 3047US8254808B2Image forming apparatus and transfer device thereofLEE JUN HO·Filed 2009·Granted Aug 28, 2012·0 cites·13 claims
- 3144US7289749B2Electrophotographic printerSAMSUNG ELECTRONICS CO LTD·Filed 2004·Granted Oct 30, 2007·2 cites·30 claims
- 3244US6952554B2Waste toner agitator for an electrophotographic image forming apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2003·Granted Oct 4, 2005·2 cites·16 claims
- 3343US7486906B2Electrophotographic printer having removable photosensitive drum unitSAMSUNG ELECTRONICS CO LTD·Filed 2004·Granted Feb 3, 2009·2 cites·20 claims
- 3443US5860043AElectrophotographic apparatus having a development unit shifterSAMSUNG ELECTRONICS CO LTD·Filed 1997·Granted Jan 12, 1999·6 cites·10 claims
- 3542US7302218B2Image forming apparatus with constant conveying velocitySAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Nov 27, 2007·0 cites·14 claims
- 3642US2010054825A1Image forming apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2009·Application pending·0 cites
- 3741US7082281B2Electrophotographic printer having movable pre-transfer erasing unitSAMSUNG ELECTRONICS CO LTD·Filed 2004·Granted Jul 25, 2006·1 cites·17 claims
- 3841US2005091829A1Bushing for supporting shaft and shaft assembling method using the sameSAMSUNG ELECTRONICS CO LTD·Filed 2004·Application pending·0 cites
- 3939US2007071509A1Electrophotographic image forming apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 4038US2006153595A1Developer driving apparatus and image forming apparatus including the sameSAMSUNG ELECTRONICS CO LTD·Filed 2005·Application pending·0 cites
- 4137US7110712B2Foreign substance prevention unit to protect electro-photographic printer from foreign substancesSAMSUNG ELECTRONICS CO LTD·Filed 2004·Granted Sep 19, 2006·0 cites·17 claims
- 4235US6904247B2High voltage switching equipment of developing device for color image forming apparatusSAMSUNG ELECTRONICS CO LTD·Filed 2003·Granted Jun 7, 2005·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →