How many patents does Zheng Yefeng have in patentsdb?

Zheng Yefeng is linked to 19 publications as assignee in our database.

What technology areas does Zheng Yefeng patent most?

Top mapped technology areas by patent count: Physics (19); Human Necessities (4).

In our data, assignee counts were 1 in 2018 and 1 in 2020 (similar year over year).

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

Zheng Yefeng holds 19 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.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Physics	19
Human Necessities	4

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

How many patents does Zheng Yefeng have in patentsdb?: Zheng Yefeng is linked to 19 publications as assignee in our database.
What technology areas does Zheng Yefeng patent most?: Top mapped technology areas by patent count: Physics (19); Human Necessities (4).
Is Zheng Yefeng's patent activity growing?: In our data, assignee counts were 1 in 2018 and 1 in 2020 (similar year over year).
What are recent patents assigned to Zheng Yefeng?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.