Inventor
OH CHUL-WOO
KR20 patents
⚠️ This page may combine multiple inventors who share the name “OH CHUL-WOO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRONICS CO LTD
10 patentsUS7932640B2Apr 26, 2011
High voltage power supply
SAMSUNG ELECTRONICS CO LTD5 citations72
US7706122B2Apr 27, 2010
Analog control ASIC apparatus for high voltage power supply in image forming apparatus and method for controlling high voltage power supply
SAMSUNG ELECTRONICS CO LTD2 citations62
US7474193B2Jan 6, 2009
Toroidal line filter and method of winding coil of toroidal line filter
SAMSUNG ELECTRONICS CO LTD6 citations61
US9164529B2Oct 20, 2015
High voltage power supply and method of outputting plus/minus high-voltage in image forming apparatuses
SAMSUNG ELECTRONICS CO LTD0 citations51
US9008531B2Apr 14, 2015
Constant current-type high-voltage power supply apparatus and method of controlling power output from the same
SAMSUNG ELECTRONICS CO LTD0 citations51
US8350407B2Jan 8, 2013
High voltage power supply apparatus
SAMSUNG ELECTRONICS CO LTD0 citations51
US7986534B2Jul 26, 2011
Apparatus to generate high voltage by digital control and method thereof
SAMSUNG ELECTRONICS CO LTD0 citations51
US7907864B2Mar 15, 2011
High voltage power controlling apparatus of image forming apparatus including multiple DC power supplies
SAMSUNG ELECTRONICS CO LTD0 citations51
US7508095B2Mar 24, 2009
Apparatus to generate high voltage by digital control and method thereof
SAMSUNG ELECTRONICS CO LTD0 citations51
US7821798B2Oct 26, 2010
High voltage power supply
SAMSUNG ELECTRONICS CO LTD0 citations40
OH CHUL-WOO
7 patentsUS8283807B2Oct 9, 2012
High voltage power supply
OH CHUL-WOO2 citations60
US8283806B2Oct 9, 2012
High voltage power supply
OH CHUL-WOO2 citations60
US7443704B2Oct 28, 2008
AC high voltage detecting device
OH CHUL-WOO5 citations60
US8884466B2Nov 11, 2014
High voltage power supply
OH CHUL-WOO0 citations50
US8634738B2Jan 21, 2014
High voltage power supply and method of outputting plus/minus high-voltage in image forming apparatuses
OH CHUL-WOO0 citations50
US8340539B2Dec 25, 2012
Constant current-type high-voltage power supply apparatus and method of controlling power output from the same
OH CHUL-WOO0 citations50
US8260167B2Sep 4, 2012
High-voltage power supply
OH CHUL-WOO0 citations40
CHO JONG-HWA
3 patentsUS8213824B2Jul 3, 2012
High voltage power controlling apparatus of image forming apparatus and method thereof
CHO JONG-HWA2 citations59
US8487475B2Jul 16, 2013
Power supply apparatus and method of supplying power
CHO JONG-HWA0 citations49
US8274176B2Sep 25, 2012
Power supply apparatus
CHO JONG-HWA1 citations49