How many patents does Qi Hongyan have in patentsdb?

Qi Hongyan is linked to 6 publications as assignee in our database.

What technology areas does Qi Hongyan patent most?

Top mapped technology areas by patent count: Human Necessities (6); Chemistry & Metallurgy (6); Cross-Sectional Technologies (4).

In our data, assignee counts were 2 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.

Qi Hongyan holds 6 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
Human Necessities	6
Chemistry & Metallurgy	6
Cross-Sectional Technologies	4

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

How many patents does Qi Hongyan have in patentsdb?: Qi Hongyan is linked to 6 publications as assignee in our database.
What technology areas does Qi Hongyan patent most?: Top mapped technology areas by patent count: Human Necessities (6); Chemistry & Metallurgy (6); Cross-Sectional Technologies (4).
Is Qi Hongyan's patent activity growing?: In our data, assignee counts were 2 in 2016 and 1 in 2017 (lower year over year).
What are recent patents assigned to Qi Hongyan?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.