Inventor
CHOI YUN HWA
KR39 patents
⚠️ This page may combine multiple inventors who share the name “CHOI YUN HWA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JMJ KOREA CO LTD
32 patentsUS10855009B2Dec 1, 2020
Press-fit pin, semiconductor package having the same and method for manufacturing the press-fit pin
JMJ KOREA CO LTD7 citations80
US11127663B2Sep 21, 2021
Semiconductor package having exposed heat sink for high thermal conductivity
JMJ KOREA CO LTD4 citations72
US9685397B2Jun 20, 2017
Semiconductor package with clip structure
JMJ KOREA CO LTD2 citations72
US11676931B2Jun 13, 2023
Semiconductor package
JMJ KOREA CO LTD2 citations70
US11270969B2Mar 8, 2022
Semiconductor package
JMJ KOREA CO LTD3 citations70
US11367666B2Jun 21, 2022
Clip, lead frame, and substrate used in semiconductor package having engraved pattern formed thereon and the semiconductor package comprising the same
JMJ KOREA CO LTD2 citations69
US10249552B2Apr 2, 2019
Semiconductor package having double-sided heat dissipation structure
JMJ KOREA CO LTD2 citations69
US12400991B2Aug 26, 2025
Clip structure for semiconductor package and semiconductor package including the same
JMJ KOREA CO LTD0 citations62
US12170260B2Dec 17, 2024
Semiconductor package and method of manufacturing the same
JMJ KOREA CO LTD0 citations62
USD1049065SOct 29, 2024
Semiconductor package
JMJ KOREA CO LTD0 citations62
US11631627B2Apr 18, 2023
Method of manufacturing semiconductor having double-sided substrate
JMJ KOREA CO LTD0 citations62
US11521920B2Dec 6, 2022
Plurality of power semiconductor chips between a substrate and leadframe
JMJ KOREA CO LTD0 citations62
US11417577B2Aug 16, 2022
Semiconductor package and method of manufacturing the same
JMJ KOREA CO LTD0 citations62
US11682610B2Jun 20, 2023
Semiconductor package with heat radiation board
JMJ KOREA CO LTD1 citations61
US11289397B2Mar 29, 2022
Heat sink board for a semiconductor device
JMJ KOREA CO LTD0 citations61
US11482463B2Oct 25, 2022
Vertically attaching a chip to a substrate
JMJ KOREA CO LTD0 citations60
US11362021B2Jun 14, 2022
Pressurizing members for semiconductor package
JMJ KOREA CO LTD0 citations60
US11171074B2Nov 9, 2021
Heat sink board, manufacturing method thereof, and semiconductor package including the same
JMJ KOREA CO LTD0 citations60
US10535589B2Jan 14, 2020
Clip structure and semiconductor package using the same
JMJ KOREA CO LTD1 citations53
US12447550B2Oct 21, 2025
Ultrasonic welding system and power module package for power converting apparatus to which substrate where connection member is ultrasonic welded by using the same is applied
JMJ KOREA CO LTD0 citations52
US11823920B2Nov 21, 2023
Apparatus for attaching semiconductor parts
JMJ KOREA CO LTD0 citations52
US12451410B2Oct 21, 2025
Semiconductor package module including vertical terminals
JMJ KOREA CO LTD0 citations51
US12027445B2Jul 2, 2024
System for cooling semiconductor component, method of manufacturing the same, and semiconductor package having the system
JMJ KOREA CO LTD0 citations51
US11908766B2Feb 20, 2024
Cooling system where semiconductor component comprising semiconductor chip and cooling apparatus are joined
JMJ KOREA CO LTD0 citations51
US11908824B2Feb 20, 2024
Semiconductor package, method of manufacturing the same and metal bridge applied to the semiconductor package
JMJ KOREA CO LTD0 citations51
US11798864B2Oct 24, 2023
Semiconductor package with metal post having non-vertical structure
JMJ KOREA CO LTD0 citations51
US11721615B2Aug 8, 2023
Coupled semiconductor package
JMJ KOREA CO LTD0 citations51
US11393744B2Jul 19, 2022
Metal powder layers between substrate, semiconductor chip and conductor
JMJ KOREA CO LTD0 citations51
US10896889B2Jan 19, 2021
Multilayer clip structure attached to a chip
JMJ KOREA CO LTD0 citations51
US11189550B2Nov 30, 2021
Low-cost semiconductor package using conductive metal structure
JMJ KOREA CO LTD0 citations49
US10541197B2Jan 21, 2020
Press-fit pin and semiconductor package including the same
JMJ KOREA CO LTD0 citations48
US10714450B2Jul 14, 2020
Method of bonding terminal of semiconductor chip using solder bump and semiconductor package using the same
JMJ KOREA CO LTD0 citations31