Inventor
YEOL-RAE CHO
Inventor
KR
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys22%
C21DModifying the physical structure of ferrous metals18%
C23CCoating metallic material15%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form13%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material10%
Y10TTechnical subjects covered by former us classification7%
B21BRolling of metal6%
B23KSoldering or unsoldering2%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys2%
C23FNon-mechanical removal of metallic material from surface2%
PatentTitleYear
12,584,205Steel sheet plated with Al--Fe alloy for hot press forming having excellent corrosion resistance and heat resistance, hot press formed part, and manufacturing method therefor202612,516,394Plated steel sheet for hot press forming having excellent impact properties after hot press forming, hot press formed member, and manufacturing methods thereof202612,467,111Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same202512,435,385Plated steel sheet for hot press forming having excellent impact property, hot press formed part, and manufacturing method thereof202512,330,391Steel sheet plated with Al--Fe for hot press forming having excellent corrosion resistance and spot weldability, and manufacturing method thereof202512,258,657Hot-rolled steel sheet having excellent impact resistance, steel pipe, member, and manufacturing methods therefor202512,123,094Aluminum-based plated steel plate for hot press having excellent resistance against hydrogen delayed fracture and spot weldability, and method for manufacturing same202412,049,679Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same202412,049,678Plated steel sheet for hot press forming having excellent impact property, hot press formed part, and manufacturing method thereof202411,952,652Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production method for the same202411,939,651Al--Fe-alloy plated steel sheet for hot forming, having excellent TWB welding characteristics, hot forming member, and manufacturing methods therefor202411,939,639Ultra-high-strength hot-rolled steel sheet, steel pipe, member, and manufacturing methods therefor202411,827,947Hot press-formed member having excellent crack propagation resistance and ductility, and method for producing same202311,801,664Steel sheet for hot press formed member having excellent resistance to hydrogen delayed fracture and method for manufacturing thereof202311,788,166Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same202311,732,323Plated steel sheet for hot press forming having excellent impact property, hot press formed part, and manufacturing method thereof202311,624,100Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same202311,549,167Steel sheet plated with Al--Fe alloy for hot press forming having excellent corrosion resistance and heat resistance, hot press formed part, and manufacturing method therefor202311,529,795Steel sheet plated with Al--Fe for hot press forming having excellent corrosion resistance and spot weldability, and manufacturing method thereof202211,491,764Iron-aluminum-based plated steel sheet for hot press forming, having excellent hydrogen delayed fracture properties and spot welding properties, and manufacturing method therefor202211,441,205Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same202211,338,549Steel sheet for hot press formed member having excellent resistance to hydrogen delayed fracture and method for manufacturing thereof202211,274,357Plated steel sheet for hot press forming having excellent impact property, hot press formed part, and manufacturing method thereof2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2026Patents assigned to POSCO (16)· patent assignee history
2022Patents assigned to POSCO HOLDINGS INC (1)· patent assignee history
2022–2026Based in KR· patent location history
2023–2026Patents assigned to POSCO CO LTD (14)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| POSCO | 16 | 2022–2026 |
| POSCO CO LTD | 14 | 2023–2026 |
| POSCO HOLDINGS INC | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| KR | 23 | 2022–2026 |