How many patents does Li Quanchang have in patentsdb?

Li Quanchang is linked to 24 publications as assignee in our database.

What technology areas does Li Quanchang patent most?

Top mapped technology areas by patent count: Operations & Transport (24); Cross-Sectional Technologies (24); Chemistry & Metallurgy (21).

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

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

Li Quanchang holds 24 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 declining.

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
Operations & Transport	24
Cross-Sectional Technologies	24
Chemistry & Metallurgy	21

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

How many patents does Li Quanchang have in patentsdb?: Li Quanchang is linked to 24 publications as assignee in our database.
What technology areas does Li Quanchang patent most?: Top mapped technology areas by patent count: Operations & Transport (24); Cross-Sectional Technologies (24); Chemistry & Metallurgy (21).
Is Li Quanchang's patent activity growing?: In our data, assignee counts were 3 in 2018 and 1 in 2019 (lower year over year).
What are recent patents assigned to Li Quanchang?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.