How many patents does Huang Xianhai have in patentsdb?

Huang Xianhai is linked to 15 publications as assignee in our database.

What technology areas does Huang Xianhai patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (15); Human Necessities (14).

In our data, assignee counts were 2 in 2023 and 1 in 2024 (lower year over year).

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

Huang Xianhai holds 15 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
Chemistry & Metallurgy	15
Human Necessities	14

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

How many patents does Huang Xianhai have in patentsdb?: Huang Xianhai is linked to 15 publications as assignee in our database.
What technology areas does Huang Xianhai patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (15); Human Necessities (14).
Is Huang Xianhai's patent activity growing?: In our data, assignee counts were 2 in 2023 and 1 in 2024 (lower year over year).
What are recent patents assigned to Huang Xianhai?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.