How many patents does Zhang Zhengcheng have in patentsdb?

Zhang Zhengcheng is linked to 10 publications as assignee in our database.

What technology areas does Zhang Zhengcheng patent most?

Top mapped technology areas by patent count: Electricity (10); Cross-Sectional Technologies (10); Chemistry & Metallurgy (6).

In our data, assignee counts were 4 in 2016 and 1 in 2017 (lower year over year).

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

Zhang Zhengcheng holds 10 patents in our database, with recent filings and technology areas summarized below.

Year-over-year patent counts for this assignee.

Filing activity appears to be declining based on the most recent years.

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
Electricity	10
Cross-Sectional Technologies	10
Chemistry & Metallurgy	6
Operations & Transport	1

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

How many patents does Zhang Zhengcheng have in patentsdb?: Zhang Zhengcheng is linked to 10 publications as assignee in our database.
What technology areas does Zhang Zhengcheng patent most?: Top mapped technology areas by patent count: Electricity (10); Cross-Sectional Technologies (10); Chemistry & Metallurgy (6).
Is Zhang Zhengcheng's patent activity growing?: In our data, assignee counts were 4 in 2016 and 1 in 2017 (lower year over year).
What are recent patents assigned to Zhang Zhengcheng?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.