How many patents does Ningbo Sunny Opotech Co Ltd have in patentsdb?

Ningbo Sunny Opotech Co Ltd is linked to 524 publications as assignee in our database.

What technology areas does Ningbo Sunny Opotech Co Ltd patent most?

Top mapped technology areas by patent count: Electricity (473); Physics (377); Operations & Transport (94).

In our data, assignee counts were 47 in 2024 and 46 in 2025 (lower year over year).

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

Ningbo Sunny Opotech Co Ltd holds 524 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.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Electricity	473
Physics	377
Operations & Transport	94
Cross-Sectional Technologies	30
Mechanical Engineering	20

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

How many patents does Ningbo Sunny Opotech Co Ltd have in patentsdb?: Ningbo Sunny Opotech Co Ltd is linked to 524 publications as assignee in our database.
What technology areas does Ningbo Sunny Opotech Co Ltd patent most?: Top mapped technology areas by patent count: Electricity (473); Physics (377); Operations & Transport (94).
Is Ningbo Sunny Opotech Co Ltd's patent activity growing?: In our data, assignee counts were 47 in 2024 and 46 in 2025 (lower year over year).
What are recent patents assigned to Ningbo Sunny Opotech Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.