Inventor · disambiguated record
Woo-Yeol Cha
Also filed as: CHA WOO-YEOL
5 granted patents·6 citations·filing 2011–2018
68Inventor score
Technology areasC21D
Top patents by PatentIndex Score
5 records- 0189US12331373B2Steel material, for pressure vessel, showing excellent hydrogen-induced cracking resistance and method for preparing samePOSCO·Filed 2018·Granted Jun 17, 2025·2 cites·5 claims
- 0285US11453933B2High-strength steel material having enhanced resistance to crack initiation and propagation at low temperature and method for manufacturing the samePOSCO·Filed 2017·Granted Sep 27, 2022·2 cites·10 claims
- 0385US11268175B2High-strength steel having excellent fracture initiation resistance and fracture propagation arrestability at low temperature and method of manufacturing the samePOSCO·Filed 2017·Granted Mar 8, 2022·2 cites·6 claims
- 0455US11578376B2Steel for pressure vessels having excellent resistance to hydrogen induced cracking and manufacturing method thereofPOSCO·Filed 2017·Granted Feb 14, 2023·0 cites·11 claims
- 0543US9382597B2Steel sheet for enamel having no surface defects and method of manufacturing the sameCHO HANG-SIK·Filed 2011·Granted Jul 5, 2016·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →