How many patents does Liang Chengyuan have in patentsdb?

Liang Chengyuan is linked to 60 publications as assignee in our database.

What technology areas does Liang Chengyuan patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (56); Human Necessities (36); Operations & Transport (11).

In our data, assignee counts were 4 in 2023 and 1 in 2024 (lower year over year).

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

Liang Chengyuan holds 60 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
Chemistry & Metallurgy	56
Human Necessities	36
Operations & Transport	11
Cross-Sectional Technologies	8
Physics	6

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

How many patents does Liang Chengyuan have in patentsdb?: Liang Chengyuan is linked to 60 publications as assignee in our database.
What technology areas does Liang Chengyuan patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (56); Human Necessities (36); Operations & Transport (11).
Is Liang Chengyuan's patent activity growing?: In our data, assignee counts were 4 in 2023 and 1 in 2024 (lower year over year).
What are recent patents assigned to Liang Chengyuan?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.