How many patents does Huaneng Lancang River Hydropower Inc have in patentsdb?

Huaneng Lancang River Hydropower Inc is linked to 21 publications as assignee in our database.

What technology areas does Huaneng Lancang River Hydropower Inc patent most?

Top mapped technology areas by patent count: Physics (15); Cross-Sectional Technologies (7); Fixed Constructions (6).

In our data, assignee counts were 4 in 2024 and 7 in 2025 (higher year over year).

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

Huaneng Lancang River Hydropower Inc holds 21 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 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	15
Cross-Sectional Technologies	7
Fixed Constructions	6
Operations & Transport	2
Electricity	1

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

How many patents does Huaneng Lancang River Hydropower Inc have in patentsdb?: Huaneng Lancang River Hydropower Inc is linked to 21 publications as assignee in our database.
What technology areas does Huaneng Lancang River Hydropower Inc patent most?: Top mapped technology areas by patent count: Physics (15); Cross-Sectional Technologies (7); Fixed Constructions (6).
Is Huaneng Lancang River Hydropower Inc's patent activity growing?: In our data, assignee counts were 4 in 2024 and 7 in 2025 (higher year over year).
What are recent patents assigned to Huaneng Lancang River Hydropower Inc?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.