Aac Optics Changzhou Co Ltd patents

Aac Optics Changzhou Co Ltd holds 154 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents154
Recent patents82
First publicationDec 22, 2020
Latest publicationMar 31, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20201
202125
202237
202331
202428
202528
20264
Browse patents by year
YearPatents
20201
202125
202237
202331
202428
202528
20264

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Technology areas

Mapped technology topics for this assignee.

Company technology slices
TechnologyPatents
Physics153
Chemistry & Metallurgy3
Electricity2

Frequently asked questions

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

How many patents does Aac Optics Changzhou Co Ltd have in patentsdb?
Aac Optics Changzhou Co Ltd is linked to 154 publications as assignee in our database.
What technology areas does Aac Optics Changzhou Co Ltd patent most?
Top mapped technology areas by patent count: Physics (153); Chemistry & Metallurgy (3); Electricity (2).
Is Aac Optics Changzhou Co Ltd's patent activity growing?
In our data, assignee counts were 28 in 2024 and 28 in 2025 (similar year over year).
What are recent patents assigned to Aac Optics Changzhou Co Ltd?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.