How many patents does Mitsubishi Hitachi Power Sys Ltd have in patentsdb?

Mitsubishi Hitachi Power Sys Ltd is linked to 148 publications as assignee in our database.

What technology areas does Mitsubishi Hitachi Power Sys Ltd patent most?

Top mapped technology areas by patent count: Mechanical Engineering (125); Cross-Sectional Technologies (37); Physics (27).

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.

Mitsubishi Hitachi Power Sys Ltd holds 148 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.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Mechanical Engineering	125
Cross-Sectional Technologies	37
Physics	27
Operations & Transport	23
Chemistry & Metallurgy	14
Electricity	10

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

How many patents does Mitsubishi Hitachi Power Sys Ltd have in patentsdb?: Mitsubishi Hitachi Power Sys Ltd is linked to 148 publications as assignee in our database.
What technology areas does Mitsubishi Hitachi Power Sys Ltd patent most?: Top mapped technology areas by patent count: Mechanical Engineering (125); Cross-Sectional Technologies (37); Physics (27).
Is Mitsubishi Hitachi Power Sys 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 Mitsubishi Hitachi Power Sys Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.