How many patents does Zhejiang Huahai Pharm Co Ltd have in patentsdb?

Zhejiang Huahai Pharm Co Ltd is linked to 121 publications as assignee in our database.

What technology areas does Zhejiang Huahai Pharm Co Ltd patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (116); Human Necessities (28); Cross-Sectional Technologies (15).

In our data, assignee counts were 9 in 2024 and 12 in 2025 (higher year over year).

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

Zhejiang Huahai Pharm Co Ltd holds 121 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 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.

Company technology slices
Technology	Patents
Chemistry & Metallurgy	116
Human Necessities	28
Cross-Sectional Technologies	15
Operations & Transport	13
Physics	3
Mechanical Engineering	2

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

How many patents does Zhejiang Huahai Pharm Co Ltd have in patentsdb?: Zhejiang Huahai Pharm Co Ltd is linked to 121 publications as assignee in our database.
What technology areas does Zhejiang Huahai Pharm Co Ltd patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (116); Human Necessities (28); Cross-Sectional Technologies (15).
Is Zhejiang Huahai Pharm Co Ltd's patent activity growing?: In our data, assignee counts were 9 in 2024 and 12 in 2025 (higher year over year).
What are recent patents assigned to Zhejiang Huahai Pharm Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.