How many patents does Yu Chengjiao have in patentsdb?

Yu Chengjiao is linked to 11 publications as assignee in our database.

What technology areas does Yu Chengjiao patent most?

Top mapped technology areas by patent count: Operations & Transport (8); Fixed Constructions (7); Chemistry & Metallurgy (2).

In our data, assignee counts were 1 in 2020 and 1 in 2022 (similar year over year).

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

Yu Chengjiao holds 11 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 stable.

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	8
Fixed Constructions	7
Chemistry & Metallurgy	2
Mechanical Engineering	2
Cross-Sectional Technologies	2

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

How many patents does Yu Chengjiao have in patentsdb?: Yu Chengjiao is linked to 11 publications as assignee in our database.
What technology areas does Yu Chengjiao patent most?: Top mapped technology areas by patent count: Operations & Transport (8); Fixed Constructions (7); Chemistry & Metallurgy (2).
Is Yu Chengjiao's patent activity growing?: In our data, assignee counts were 1 in 2020 and 1 in 2022 (similar year over year).
What are recent patents assigned to Yu Chengjiao?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.