How many patents does Zheng Yunfei have in patentsdb?

Zheng Yunfei is linked to 55 publications as assignee in our database.

What technology areas does Zheng Yunfei patent most?

Top mapped technology areas by patent count: Electricity (55); Physics (2).

In our data, assignee counts were 1 in 2020 and 2 in 2021 (higher year over year).

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

Zheng Yunfei holds 55 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
Electricity	55
Physics	2

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

How many patents does Zheng Yunfei have in patentsdb?: Zheng Yunfei is linked to 55 publications as assignee in our database.
What technology areas does Zheng Yunfei patent most?: Top mapped technology areas by patent count: Electricity (55); Physics (2).
Is Zheng Yunfei's patent activity growing?: In our data, assignee counts were 1 in 2020 and 2 in 2021 (higher year over year).
What are recent patents assigned to Zheng Yunfei?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.