Inventor

OH JIN KEUN

KR53 patents

⚠️ This page may combine multiple inventors who share the name “OH JIN KEUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OH JIN KEUN

POSCO

Aluminum-iron alloy-coated steel sheet for hot press forming, having excellent hydrogen delayed fracture resistance, peeling resistance, and weldability and hot-formed member using same

Steel sheet for hot press formed member having excellent painting adhesion and post-painting corrosion resistance

Al—Fe-alloy plated steel sheet for hot forming, having excellent TWB welding characteristics, hot forming member, and manufacturing methods therefor

Plated steel sheet for hot press forming having excellent impact property, hot press formed part, and manufacturing method thereof

Steel sheet plated with Al—Fe for hot press forming having excellent corrosion resistance and spot weldability, and manufacturing method thereof

Steel sheet for hot press formed member having excellent resistance to hydrogen delayed fracture and method for manufacturing thereof

Plated steel sheet for hot press forming having excellent impact property, hot press formed part, and manufacturing method thereof

Plated steel sheet for hot press forming having excellent impact property, hot press formed part, and manufacturing method thereof

Hot press forming parts having excellent bending properties and method for manufacturing the same

Hot press forming parts having excellent bending properties and method for manufacturing the same

Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same

Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same

Aluminum-based plated steel having excellent corrosion resistance, aluminum-based alloy plated steel using the same, and method of manufacturing thereof

Steel sheet for hot press formed product having superior bendability and ultra-high strength, hot press formed product using same, and method for manufacturing same

Steel sheet plated with Al—Fe alloy for hot press forming having excellent corrosion resistance and heat resistance, hot press formed part, and manufacturing method therefor

Steel sheet plated with Al—Fe for hot press forming having excellent corrosion resistance and spot weldability, and manufacturing method thereof

Steel sheet plated with Al—Fe alloy for hot press forming having excellent corrosion resistance and heat resistance, hot press formed part, and manufacturing method therefor

Iron-aluminum-based plated steel sheet for hot press forming, having excellent hydrogen delayed fracture properties and spot welding properties, and manufacturing method therefor

Steel sheet for hot press formed member having excellent coating adhesion and manufacturing method for the same

Hot press-formed part, and manufacturing method thereof

Steel sheet for hot press formed member having excellent coating adhesion and manufacturing method for the same

Manufacturing method of aluminum-based alloy plated steel

Steel for hot forming, hot-formed member, and manufacturing methods therefor

Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production method for the same

Hot press forming member having excellent resistance to hydrogen embrittlement, and method for manufacturing same

Hot press-formed member having excellent crack propagation resistance and ductility, and method for producing same

Plated steel sheet for hot press forming having excellent impact properties after hot press forming, hot press formed member, and manufacturing methods thereof

Aluminum-iron-plated steel sheet, having excellent mold wear resistance, for hot press forming, and manufacturing method thereof

POSCO CO LTD

Plated steel sheet for hot press forming having excellent impact property, hot press formed part, and manufacturing method thereof

Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same

Plated steel sheet for hot press forming having excellent impact property, hot press formed part, and manufacturing method thereof

Aluminum-based plated steel plate for hot press having excellent resistance against hydrogen delayed fracture and spot weldability, and method for manufacturing same

Steel sheet for hot press formed member having excellent resistance to hydrogen delayed fracture and method for manufacturing thereof

Hot press-formed part, and manufacturing method thereof

Hot press-formed part, and manufacturing method thereof

Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same

Manufacturing method of aluminum-based alloy plated steel

Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same

Manufacturing method of aluminum-based alloy plated steel

HYUNDAI ELECTRONICS IND

Self-refresh apparatus for a semiconductor memory device

Antifuse circuitry for post-package DRAM repair

Internal voltage generating circuit of a semiconductor device using test pad and a method thereof

Antifuse circuit being programmable by using no connection pin

Memory repair circuit using antifuse of MOS structure

Antifuse repair circuit

Repair circuit using antifuse

Semiconductor memory test circuit and method for the same

SAMSUNG ELECTRONICS CO LTD

Digital audio player with music memory function for an intro-play operation

CHO YEOL RAE

Steel sheet for hot press forming having low-temperature heat treatment property, method of manufacturing the same, method of manufacturing parts using the same, and parts manufactured by the same

SOHN IL-RYOUNG

Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production method for the same