Inventor
KIM CHANG WOOK
KR70 patents
⚠️ This page may combine multiple inventors who share the name “KIM CHANG WOOK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAMSUNG ELECTRO MECH
14 patentsUS7217004B2May 15, 2007
Light emitting diode array module for providing backlight and backlight unit having the same
SAMSUNG ELECTRO MECH186 citations99
US7208772B2Apr 24, 2007
High power light emitting diode package
SAMSUNG ELECTRO MECH69 citations98
USD495304SAug 31, 2004
Light-emitting diode
SAMSUNG ELECTRO MECH51 citations96
US7498610B2Mar 3, 2009
High power LED housing and fabrication method thereof
SAMSUNG ELECTRO MECH16 citations93
US7242035B2Jul 10, 2007
Side view LED package having lead frame structure designed to improve resin flow
SAMSUNG ELECTRO MECH25 citations93
USD512694SDec 13, 2005
Light-emitting diode
SAMSUNG ELECTRO MECH33 citations93
USD512029SNov 29, 2005
Light-emitting diode
SAMSUNG ELECTRO MECH27 citations93
USD512693SDec 13, 2005
Light-emitting diode
SAMSUNG ELECTRO MECH29 citations92
USD495667SSep 7, 2004
Light-emitting diode
SAMSUNG ELECTRO MECH28 citations90
USD495668SSep 7, 2004
Light-emitting diode
SAMSUNG ELECTRO MECH36 citations89
US7846752B2Dec 7, 2010
High power LED housing and fabrication method thereof
SAMSUNG ELECTRO MECH8 citations84
US7462871B2Dec 9, 2008
Side-view light emitting diode having protective device
SAMSUNG ELECTRO MECH16 citations83
USD552046SOct 2, 2007
Light-emitting diode
SAMSUNG ELECTRO MECH8 citations74
US7678592B2Mar 16, 2010
LED housing and fabrication method thereof
SAMSUNG ELECTRO MECH4 citations58
SAMSUNG SDI CO LTD
12 patentsUS10079384B2Sep 18, 2018
Composite cathode active material, cathode and lithium battery including the composite cathode active material, and method of preparing the composite cathode active material
SAMSUNG SDI CO LTD4 citations73
US9722241B2Aug 1, 2017
Positive active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery including same
SAMSUNG SDI CO LTD3 citations73
US9577258B2Feb 21, 2017
Method of preparing composite cathode active material, composite cathode active material, and cathode and lithium battery containing the composite cathode active material
SAMSUNG SDI CO LTD4 citations73
US9601765B2Mar 21, 2017
Positive active material, preparing method thereof, positive electrode for lithium secondary battery including the same, and lithium secondary battery employing the same
SAMSUNG SDI CO LTD2 citations72
US10629902B2Apr 21, 2020
Positive active material for rechargeable lithium battery, method of preparing the same, and positive electrode for rechargeable lithium battery and rechargeable lithium battery including the same
SAMSUNG SDI CO LTD6 citations71
US9570738B2Feb 14, 2017
Positive active material, positive electrode and lithium battery including the positive active material, and method of manufacturing the positive active material
SAMSUNG SDI CO LTD6 citations71
US10985367B2Apr 20, 2021
Lithium cobalt composite oxide for lithium secondary battery and lithium secondary battery including positive electrode including the lithium cobalt composite oxide
SAMSUNG SDI CO LTD1 citations63
US9236609B2Jan 12, 2016
Positive active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery including same
SAMSUNG SDI CO LTD2 citations62
US7615917B2Nov 10, 2009
Electron emission source, method of preparing the same, and electron emission device employing the electron emission source
SAMSUNG SDI CO LTD3 citations62
US7745984B2Jun 29, 2010
Composition for preparing electron emission source, method for preparing electron emission source using the composition, and electron emission source
SAMSUNG SDI CO LTD3 citations61
US10854878B2Dec 1, 2020
Lithium cobalt composite oxide for lithium secondary battery and lithium secondary battery including positive electrode including the same
SAMSUNG SDI CO LTD0 citations52
US9450241B2Sep 20, 2016
Composite cathode active material, and cathode and lithium battery including the material
SAMSUNG SDI CO LTD0 citations52
LG INNOTEK CO LTD
8 patentsUS9742067B2Aug 22, 2017
Antenna apparatus
LG INNOTEK CO LTD3 citations73
US12345945B2Jul 1, 2025
Variable lens driver circuit, communication device comprising same, and method for driving variable lens
LG INNOTEK CO LTD0 citations63
US12130537B2Oct 29, 2024
Liquid lens control apparatus
LG INNOTEK CO LTD0 citations62
US12392984B2Aug 19, 2025
Camera module including liquid lens, and control method thereof
LG INNOTEK CO LTD0 citations52
US12332425B2Jun 17, 2025
Lens curvature variation apparatus
LG INNOTEK CO LTD0 citations52
US12235514B2Feb 25, 2025
Liquid lens control device
LG INNOTEK CO LTD0 citations52
US11968434B2Apr 23, 2024
Camera module having a liquid lens and a voltage control circuit
LG INNOTEK CO LTD0 citations52
US9130263B2Sep 8, 2015
Communication terminal and antenna apparatus thereof
LG INNOTEK CO LTD0 citations52
SAMSUNG DISPLAY DEVICES CO LTD
3 patentsUS6146230ANov 14, 2000
Composition for electron emitter of field emission display and method for producing electron emitter using the same
SAMSUNG DISPLAY DEVICES CO LTD93 citations97
US5885744AMar 23, 1999
Photoresist composition
SAMSUNG DISPLAY DEVICES CO LTD2 citations56
US6127074AOct 3, 2000
Photoresist solution for phosphor slurry applied to color cathode ray tube
SAMSUNG DISPLAY DEVICES CO LTD5 citations54
LG ELECTRONICS INC
2 patentsFAIRCHILD KR SEMICONDUCTOR LTD
2 patentsLEE SEON GOO
2 patentsAGENCY DEFENSE DEV
1 patentDAEDONG IND CO LTD
1 patentGEO DO INDUSTRY CO LTD
1 patentLEE SANG HUN
1 patentSAMSUNG ELECTRONICS CO LTD
1 patentKIM CHANG WOOK
1 patentLEE CHUN-GYOO
1 patentShowing the top 50 of 70 patents by PatentIndex Score.