Posco Co Ltd patents

Posco Co Ltd holds 648 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents648
Recent patents591
First publicationNov 29, 2022
Latest publicationApr 9, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity appears to be declining based on the most recent years.

Patents filed per year
YearPatents
20224
2023146
2024246
2025199
202653
Browse patents by year
YearPatents
20224
2023146
2024246
2025199
202653

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Top CPC classifications

Most common classification codes in this portfolio.

Top CPC codes by patent count
CPCPatents
C22C38/02445
C22C38/04428
C21D9/46372
C22C38/06359
C22C38/002326

Technology areas

Mapped technology topics for this assignee.

Frequently asked questions

Answers are generated from the same data shown on this page.

How many patents does Posco Co Ltd have in patentsdb?
Posco Co Ltd is linked to 648 publications as assignee in our database.
What technology areas does Posco Co Ltd patent most?
Top mapped technology areas by patent count: Chemistry & Metallurgy (588); Operations & Transport (356); Cross-Sectional Technologies (156).
Is Posco Co Ltd's patent activity growing?
In our data, assignee counts were 246 in 2024 and 199 in 2025 (lower year over year).
What are recent patents assigned to Posco Co Ltd?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.