How many patents does Changan Univ have in patentsdb?

Changan Univ is linked to 117 publications as assignee in our database.

What technology areas does Changan Univ patent most?

Top mapped technology areas by patent count: Physics (86); Operations & Transport (30); Fixed Constructions (28).

In our data, assignee counts were 26 in 2024 and 27 in 2025 (higher year over year).

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

Changan Univ holds 117 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 growing.

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
Physics	86
Operations & Transport	30
Fixed Constructions	28
Cross-Sectional Technologies	20
Electricity	18
Mechanical Engineering	4
Human Necessities	4
Chemistry & Metallurgy	3

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

How many patents does Changan Univ have in patentsdb?: Changan Univ is linked to 117 publications as assignee in our database.
What technology areas does Changan Univ patent most?: Top mapped technology areas by patent count: Physics (86); Operations & Transport (30); Fixed Constructions (28).
Is Changan Univ's patent activity growing?: In our data, assignee counts were 26 in 2024 and 27 in 2025 (higher year over year).
What are recent patents assigned to Changan Univ?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.