How many patents does Xu Guofeng have in patentsdb?

Xu Guofeng is linked to 13 publications as assignee in our database.

What technology areas does Xu Guofeng patent most?

Top mapped technology areas by patent count: Human Necessities (13); Operations & Transport (1); Chemistry & Metallurgy (1).

In our data, assignee counts were 2 in 2018 and 1 in 2019 (lower year over year).

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

Xu Guofeng holds 13 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.

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

How many patents does Xu Guofeng have in patentsdb?: Xu Guofeng is linked to 13 publications as assignee in our database.
What technology areas does Xu Guofeng patent most?: Top mapped technology areas by patent count: Human Necessities (13); Operations & Transport (1); Chemistry & Metallurgy (1).
Is Xu Guofeng's patent activity growing?: In our data, assignee counts were 2 in 2018 and 1 in 2019 (lower year over year).
What are recent patents assigned to Xu Guofeng?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.