Inventor
HWANG JI-HYUN
KR34 patents
⚠️ This page may combine multiple inventors who share the name “HWANG JI-HYUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MIRAE CORP
22 patentsUS6300691B1Oct 9, 2001
Linear motor with an improved cooling structure
MIRAE CORP53 citations96
US6892446B2May 17, 2005
Surface mounting device with movable conveyors
MIRAE CORP22 citations92
US6528907B2Mar 4, 2003
Linear motor
MIRAE CORP29 citations92
US6526651B1Mar 4, 2003
Printed circuit board transferring apparatus of a surface mounter
MIRAE CORP40 citations92
US6472779B2Oct 29, 2002
Cooling control system of linear motor
MIRAE CORP29 citations92
US6469406B1Oct 22, 2002
Cooling apparatus for a linear motor
MIRAE CORP40 citations92
US6445977B1Sep 3, 2002
Carrier handling apparatus for a module IC handler, and method therefor
MIRAE CORP30 citations92
US6400046B1Jun 4, 2002
Linear motor driver having a position detection means
MIRAE CORP34 citations92
US6274953B1Aug 14, 2001
System for preventing malfunction of a switching circuit for linear motor
MIRAE CORP22 citations92
US6352402B1Mar 5, 2002
Apparatus for adjusting pitch of picker
MIRAE CORP29 citations89
US7226270B2Jun 5, 2007
Apparatus for transferring semiconductor device in handler
MIRAE CORP11 citations84
US6528905B1Mar 4, 2003
Cooling apparatus for an XY gantry
MIRAE CORP16 citations84
US6622369B1Sep 23, 2003
Method for assembling an armature of a moving coil type linear motor
MIRAE CORP13 citations80
US6426573B1Jul 30, 2002
Head module having linear motor
MIRAE CORP14 citations78
US6684490B2Feb 3, 2004
Nozzle rotating apparatus of module head in surface mounting device
MIRAE CORP7 citations73
US6717295B2Apr 6, 2004
Cooling apparatus for linear motor
MIRAE CORP11 citations71
US6548917B2Apr 15, 2003
Planar motor
MIRAE CORP7 citations71
US6753626B2Jun 22, 2004
Linear motor having an integrally formed air bearing
MIRAE CORP4 citations63
US6825580B2Nov 30, 2004
Apparatus and method for controlling cooling of gantry having linear motor
MIRAE CORP3 citations62
US7594592B2Sep 29, 2009
Feeder for surface mounting device
MIRAE CORP2 citations60
US6748991B2Jun 15, 2004
Feeder for surface mounting device
MIRAE CORP4 citations60
US6901656B2Jun 7, 2005
Position control apparatus of feeder stage in surface mount device
MIRAE CORP0 citations52
SAMSUNG SDI CO LTD
7 patentsUS10627665B2Apr 21, 2020
Optical display
SAMSUNG SDI CO LTD1 citations61
US11280945B2Mar 22, 2022
Polarizing plate and optical display comprising the same
SAMSUNG SDI CO LTD0 citations52
US11994652B2May 28, 2024
Polarizing plate and optical display including the same
SAMSUNG SDI CO LTD0 citations50
US11428969B2Aug 30, 2022
Optical display including a light shielding layer having printed patterns
SAMSUNG SDI CO LTD0 citations50
US10908337B2Feb 2, 2021
Polarizing plate and optical display comprising the same
SAMSUNG SDI CO LTD0 citations50
US9291743B2Mar 22, 2016
Photosensitive resin composition and color filter using the same
SAMSUNG SDI CO LTD0 citations40
US10684504B2Jun 16, 2020
Liquid crystal display device
SAMSUNG SDI CO LTD0 citations37