How many patents does Wan Yongqin have in patentsdb?

Wan Yongqin is linked to 9 publications as assignee in our database.

What technology areas does Wan Yongqin patent most?

Top mapped technology areas by patent count: Human Necessities (9); Chemistry & Metallurgy (9).

In our data, assignee counts were 2 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.

Wan Yongqin holds 9 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
Human Necessities	9
Chemistry & Metallurgy	9

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

How many patents does Wan Yongqin have in patentsdb?: Wan Yongqin is linked to 9 publications as assignee in our database.
What technology areas does Wan Yongqin patent most?: Top mapped technology areas by patent count: Human Necessities (9); Chemistry & Metallurgy (9).
Is Wan Yongqin's patent activity growing?: In our data, assignee counts were 2 in 2018 and 1 in 2019 (lower year over year).
What are recent patents assigned to Wan Yongqin?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.