How many patents does Mitsubishi Heavy Ind Aero Engines Ltd have in patentsdb?

Mitsubishi Heavy Ind Aero Engines Ltd is linked to 79 publications as assignee in our database.

What technology areas does Mitsubishi Heavy Ind Aero Engines Ltd patent most?

Top mapped technology areas by patent count: Mechanical Engineering (50); Operations & Transport (40); Chemistry & Metallurgy (36).

In our data, assignee counts were 3 in 2024 and 8 in 2025 (higher year over year).

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

Mitsubishi Heavy Ind Aero Engines Ltd holds 79 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
Mechanical Engineering	50
Operations & Transport	40
Chemistry & Metallurgy	36
Cross-Sectional Technologies	20
Textiles & Paper	2
Physics	2

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

How many patents does Mitsubishi Heavy Ind Aero Engines Ltd have in patentsdb?: Mitsubishi Heavy Ind Aero Engines Ltd is linked to 79 publications as assignee in our database.
What technology areas does Mitsubishi Heavy Ind Aero Engines Ltd patent most?: Top mapped technology areas by patent count: Mechanical Engineering (50); Operations & Transport (40); Chemistry & Metallurgy (36).
Is Mitsubishi Heavy Ind Aero Engines Ltd's patent activity growing?: In our data, assignee counts were 3 in 2024 and 8 in 2025 (higher year over year).
What are recent patents assigned to Mitsubishi Heavy Ind Aero Engines Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.