How many patents does Wanhua Chemical Group Co Ltd have in patentsdb?

Wanhua Chemical Group Co Ltd is linked to 143 publications as assignee in our database.

What technology areas does Wanhua Chemical Group Co Ltd patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (141); Operations & Transport (74); Cross-Sectional Technologies (14).

In our data, assignee counts were 11 in 2024 and 13 in 2025 (higher year over year).

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

Wanhua Chemical Group Co Ltd holds 143 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
Chemistry & Metallurgy	141
Operations & Transport	74
Cross-Sectional Technologies	14
Mechanical Engineering	9
Physics	6
Human Necessities	4
Electricity	3

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

How many patents does Wanhua Chemical Group Co Ltd have in patentsdb?: Wanhua Chemical Group Co Ltd is linked to 143 publications as assignee in our database.
What technology areas does Wanhua Chemical Group Co Ltd patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (141); Operations & Transport (74); Cross-Sectional Technologies (14).
Is Wanhua Chemical Group Co Ltd's patent activity growing?: In our data, assignee counts were 11 in 2024 and 13 in 2025 (higher year over year).
What are recent patents assigned to Wanhua Chemical Group Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.