Inventor

HWANG SOON CHEOL

KR7 patents

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

POSCO HOLDINGS INC

2 patents

US11713925B2Aug 1, 2023

Sagger for firing secondary battery active material and method for manufacturing secondary battery active material using same

POSCO HOLDINGS INC3 citations66

US12117242B2Oct 15, 2024

Furnace for producing secondary battery cathode material and method for firing secondary battery cathode material

POSCO HOLDINGS INC1 citations56

RES INST IND SCIENCE & TECH

2 patents

US11152603B2Oct 19, 2021

Saggar for firing active material of lithium secondary battery, and method for manufacturing active material using same

RES INST IND SCIENCE & TECH0 citations57

US7467528B2Dec 23, 2008

Method of fabricating dual hole glass ferrules

RES INST IND SCIENCE & TECH0 citations43

POSCO

2 patents

US12085339B2Sep 10, 2024

Apparatus for calcining secondary battery cathode material

POSCO1 citations56

US12546536B2Feb 10, 2026

Vertical-type baking apparatus of positive electrode material for secondary battery

POSCO0 citations44

HYUNDAI MOTOR CO LTD

1 patent

US10252698B2Apr 9, 2019

Apparatus and method for diagnosing failure of ultrasonic sensor

HYUNDAI MOTOR CO LTD0 citations34