How many patents does Nippon Steel Eng Co Ltd have in patentsdb?

Nippon Steel Eng Co Ltd is linked to 24 publications as assignee in our database.

What technology areas does Nippon Steel Eng Co Ltd patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (21); Operations & Transport (13); Cross-Sectional Technologies (7).

In our data, assignee counts were 3 in 2024 and 1 in 2025 (lower year over year).

See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.

Nippon Steel Eng Co Ltd holds 24 patents in our database, with recent filings and technology areas summarized below.

Year-over-year patent counts for this assignee.

Filing activity over the last five years is declining.

Latest publications where this party is an assignee.

Representative or frequently cited publications from precomputed assignee stats.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Chemistry & Metallurgy	21
Operations & Transport	13
Cross-Sectional Technologies	7
Mechanical Engineering	4
Textiles & Paper	3
Fixed Constructions	3

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

How many patents does Nippon Steel Eng Co Ltd have in patentsdb?: Nippon Steel Eng Co Ltd is linked to 24 publications as assignee in our database.
What technology areas does Nippon Steel Eng Co Ltd patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (21); Operations & Transport (13); Cross-Sectional Technologies (7).
Is Nippon Steel Eng Co Ltd's patent activity growing?: In our data, assignee counts were 3 in 2024 and 1 in 2025 (lower year over year).
What are recent patents assigned to Nippon Steel Eng Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.