How many patents does Yan Jian have in patentsdb?

Yan Jian is linked to 20 publications as assignee in our database.

What technology areas does Yan Jian patent most?

Top mapped technology areas by patent count: Human Necessities (20); Chemistry & Metallurgy (20); Cross-Sectional Technologies (9).

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

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

Yan Jian holds 20 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.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Human Necessities	20
Chemistry & Metallurgy	20
Cross-Sectional Technologies	9
Physics	1

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

How many patents does Yan Jian have in patentsdb?: Yan Jian is linked to 20 publications as assignee in our database.
What technology areas does Yan Jian patent most?: Top mapped technology areas by patent count: Human Necessities (20); Chemistry & Metallurgy (20); Cross-Sectional Technologies (9).
Is Yan Jian's patent activity growing?: In our data, assignee counts were 1 in 2023 and 1 in 2024 (similar year over year).
What are recent patents assigned to Yan Jian?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.