How many patents does Ihi Aerospace Co Ltd have in patentsdb?

Ihi Aerospace Co Ltd is linked to 40 publications as assignee in our database.

What technology areas does Ihi Aerospace Co Ltd patent most?

Top mapped technology areas by patent count: Mechanical Engineering (21); Cross-Sectional Technologies (21); Operations & Transport (20).

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.

Ihi Aerospace Co Ltd holds 40 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 rapidly 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
Mechanical Engineering	21
Cross-Sectional Technologies	21
Operations & Transport	20
Electricity	11
Chemistry & Metallurgy	6
Textiles & Paper	2
Physics	2

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

How many patents does Ihi Aerospace Co Ltd have in patentsdb?: Ihi Aerospace Co Ltd is linked to 40 publications as assignee in our database.
What technology areas does Ihi Aerospace Co Ltd patent most?: Top mapped technology areas by patent count: Mechanical Engineering (21); Cross-Sectional Technologies (21); Operations & Transport (20).
Is Ihi Aerospace 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 Ihi Aerospace Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.