How many patents does Aichi Steel Corp have in patentsdb?

Aichi Steel Corp is linked to 246 publications as assignee in our database.

What technology areas does Aichi Steel Corp patent most?

Top mapped technology areas by patent count: Physics (176); Operations & Transport (86); Electricity (82).

In our data, assignee counts were 38 in 2024 and 23 in 2025 (lower year over year).

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

Aichi Steel Corp holds 246 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.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Physics	176
Operations & Transport	86
Electricity	82
Fixed Constructions	56
Chemistry & Metallurgy	45
Cross-Sectional Technologies	22
Human Necessities	19
Mechanical Engineering	17

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

How many patents does Aichi Steel Corp have in patentsdb?: Aichi Steel Corp is linked to 246 publications as assignee in our database.
What technology areas does Aichi Steel Corp patent most?: Top mapped technology areas by patent count: Physics (176); Operations & Transport (86); Electricity (82).
Is Aichi Steel Corp's patent activity growing?: In our data, assignee counts were 38 in 2024 and 23 in 2025 (lower year over year).
What are recent patents assigned to Aichi Steel Corp?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.