How many patents does Hitachi Industry Equipment Systems Co Ltd have in patentsdb?

Hitachi Industry Equipment Systems Co Ltd is linked to 610 publications as assignee in our database.

What technology areas does Hitachi Industry Equipment Systems Co Ltd patent most?

Top mapped technology areas by patent count: Mechanical Engineering (291); Electricity (183); Operations & Transport (157).

In our data, assignee counts were 87 in 2024 and 64 in 2025 (lower year over year).

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

Hitachi Industry Equipment Systems Co Ltd holds 610 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	291
Electricity	183
Operations & Transport	157
Physics	143
Chemistry & Metallurgy	48
Cross-Sectional Technologies	46
Human Necessities	15

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

How many patents does Hitachi Industry Equipment Systems Co Ltd have in patentsdb?: Hitachi Industry Equipment Systems Co Ltd is linked to 610 publications as assignee in our database.
What technology areas does Hitachi Industry Equipment Systems Co Ltd patent most?: Top mapped technology areas by patent count: Mechanical Engineering (291); Electricity (183); Operations & Transport (157).
Is Hitachi Industry Equipment Systems Co Ltd's patent activity growing?: In our data, assignee counts were 87 in 2024 and 64 in 2025 (lower year over year).
What are recent patents assigned to Hitachi Industry Equipment Systems Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.