How many patents does Nanjing Haohui Hi Tech Co Ltd have in patentsdb?

Nanjing Haohui Hi Tech Co Ltd is linked to 10 publications as assignee in our database.

What technology areas does Nanjing Haohui Hi Tech Co Ltd patent most?

Top mapped technology areas by patent count: Cross-Sectional Technologies (10); Operations & Transport (8); Chemistry & Metallurgy (6).

In our data, assignee counts were 4 in 2024 and 1 in 2025 (lower year over year).

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

Nanjing Haohui Hi Tech Co Ltd holds 10 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.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Cross-Sectional Technologies	10
Operations & Transport	8
Chemistry & Metallurgy	6
Mechanical Engineering	6
Physics	2

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

How many patents does Nanjing Haohui Hi Tech Co Ltd have in patentsdb?: Nanjing Haohui Hi Tech Co Ltd is linked to 10 publications as assignee in our database.
What technology areas does Nanjing Haohui Hi Tech Co Ltd patent most?: Top mapped technology areas by patent count: Cross-Sectional Technologies (10); Operations & Transport (8); Chemistry & Metallurgy (6).
Is Nanjing Haohui Hi Tech Co Ltd's patent activity growing?: In our data, assignee counts were 4 in 2024 and 1 in 2025 (lower year over year).
What are recent patents assigned to Nanjing Haohui Hi Tech Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.