How many patents does Liu Huan have in patentsdb?

Liu Huan is linked to 20 publications as assignee in our database.

What technology areas does Liu Huan patent most?

Top mapped technology areas by patent count: Physics (17); Electricity (5).

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.

Liu Huan holds 20 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.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Physics	17
Electricity	5

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

How many patents does Liu Huan have in patentsdb?: Liu Huan is linked to 20 publications as assignee in our database.
What technology areas does Liu Huan patent most?: Top mapped technology areas by patent count: Physics (17); Electricity (5).
Is Liu Huan'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 Liu Huan?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.