How many patents does Liu Zhen have in patentsdb?

Liu Zhen is linked to 13 publications as assignee in our database.

What technology areas does Liu Zhen patent most?

Top mapped technology areas by patent count: Physics (10); Electricity (8).

In our data, assignee counts were 1 in 2018 and 3 in 2019 (higher year over year).

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

Liu Zhen holds 13 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	10
Electricity	8

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

How many patents does Liu Zhen have in patentsdb?: Liu Zhen is linked to 13 publications as assignee in our database.
What technology areas does Liu Zhen patent most?: Top mapped technology areas by patent count: Physics (10); Electricity (8).
Is Liu Zhen's patent activity growing?: In our data, assignee counts were 1 in 2018 and 3 in 2019 (higher year over year).
What are recent patents assigned to Liu Zhen?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.