How many patents does Daido Steel Co Ltd have in patentsdb?

Daido Steel Co Ltd is linked to 250 publications as assignee in our database.

What technology areas does Daido Steel Co Ltd patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (195); Operations & Transport (118); Electricity (80).

In our data, assignee counts were 33 in 2024 and 18 in 2025 (lower year over year).

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

Daido Steel Co Ltd holds 250 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 growing.

Latest publications where this party is an assignee.

Representative or frequently cited publications from precomputed assignee stats.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Chemistry & Metallurgy	195
Operations & Transport	118
Electricity	80
Cross-Sectional Technologies	54
Mechanical Engineering	40
Physics	8
Fixed Constructions	1

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

How many patents does Daido Steel Co Ltd have in patentsdb?: Daido Steel Co Ltd is linked to 250 publications as assignee in our database.
What technology areas does Daido Steel Co Ltd patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (195); Operations & Transport (118); Electricity (80).
Is Daido Steel Co Ltd's patent activity growing?: In our data, assignee counts were 33 in 2024 and 18 in 2025 (lower year over year).
What are recent patents assigned to Daido Steel Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.