How many patents does Hitachi Construction Machinery have in patentsdb?

Hitachi Construction Machinery is linked to 265 publications as assignee in our database.

What technology areas does Hitachi Construction Machinery patent most?

Top mapped technology areas by patent count: Fixed Constructions (199); Operations & Transport (152); Mechanical Engineering (121).

In our data, assignee counts were 167 in 2015 and 98 in 2016 (lower year over year).

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

Hitachi Construction Machinery holds 265 patents in our database, with recent filings and technology areas summarized below.

Year-over-year patent counts for this assignee.

Filing activity appears to be declining based on the most recent years.

Patents filed per year
Year	Patents
2015	167
2016	98

Browse patents by year
Year	Patents
2015	167
2016	98

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
Fixed Constructions	199
Operations & Transport	152
Mechanical Engineering	121
Cross-Sectional Technologies	93
Physics	56
Electricity	33
Chemistry & Metallurgy	2

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

How many patents does Hitachi Construction Machinery have in patentsdb?: Hitachi Construction Machinery is linked to 265 publications as assignee in our database.
What technology areas does Hitachi Construction Machinery patent most?: Top mapped technology areas by patent count: Fixed Constructions (199); Operations & Transport (152); Mechanical Engineering (121).
Is Hitachi Construction Machinery's patent activity growing?: In our data, assignee counts were 167 in 2015 and 98 in 2016 (lower year over year).
What are recent patents assigned to Hitachi Construction Machinery?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.