How many patents does Zhejiang Sunny Optical Co Ltd have in patentsdb?

Zhejiang Sunny Optical Co Ltd is linked to 385 publications as assignee in our database.

What technology areas does Zhejiang Sunny Optical Co Ltd patent most?

Top mapped technology areas by patent count: Physics (385); Electricity (34).

In our data, assignee counts were 32 in 2024 and 3 in 2025 (lower year over year).

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

Zhejiang Sunny Optical Co Ltd holds 385 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
Physics	385
Electricity	34

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

How many patents does Zhejiang Sunny Optical Co Ltd have in patentsdb?: Zhejiang Sunny Optical Co Ltd is linked to 385 publications as assignee in our database.
What technology areas does Zhejiang Sunny Optical Co Ltd patent most?: Top mapped technology areas by patent count: Physics (385); Electricity (34).
Is Zhejiang Sunny Optical Co Ltd's patent activity growing?: In our data, assignee counts were 32 in 2024 and 3 in 2025 (lower year over year).
What are recent patents assigned to Zhejiang Sunny Optical Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.