How many patents does Hangzhou Dac Biotech Co Ltd have in patentsdb?

Hangzhou Dac Biotech Co Ltd is linked to 77 publications as assignee in our database.

What technology areas does Hangzhou Dac Biotech Co Ltd patent most?

Top mapped technology areas by patent count: Human Necessities (77); Chemistry & Metallurgy (73); Cross-Sectional Technologies (29).

In our data, assignee counts were 2 in 2024 and 10 in 2025 (higher year over year).

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

Hangzhou Dac Biotech Co Ltd holds 77 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 stable.

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
Human Necessities	77
Chemistry & Metallurgy	73
Cross-Sectional Technologies	29
Physics	3

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

How many patents does Hangzhou Dac Biotech Co Ltd have in patentsdb?: Hangzhou Dac Biotech Co Ltd is linked to 77 publications as assignee in our database.
What technology areas does Hangzhou Dac Biotech Co Ltd patent most?: Top mapped technology areas by patent count: Human Necessities (77); Chemistry & Metallurgy (73); Cross-Sectional Technologies (29).
Is Hangzhou Dac Biotech Co Ltd's patent activity growing?: In our data, assignee counts were 2 in 2024 and 10 in 2025 (higher year over year).
What are recent patents assigned to Hangzhou Dac Biotech Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.