Qisda Corp patents

Qisda Corp holds 855 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents855
Recent patents287
First publicationFeb 24, 2015
Latest publicationApr 9, 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
201527
201635
201736
201841
201960
2020138
2021114
202279
202398
202488
2025120
202619
Browse patents by year
YearPatents
201527
201635
201736
201841
201960
2020138
2021114
202279
202398
202488
2025120
202619

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Top CPC classifications

Most common classification codes in this portfolio.

Top CPC codes by patent count
CPCPatents
G03B21/206697
G03B21/20475
G03B21/201374
G03B21/203358
G03B21/20855

Technology areas

Mapped technology topics for this assignee.

Frequently asked questions

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

How many patents does Qisda Corp have in patentsdb?
Qisda Corp is linked to 855 publications as assignee in our database.
What technology areas does Qisda Corp patent most?
Top mapped technology areas by patent count: Physics (680); Electricity (358); Mechanical Engineering (139).
Is Qisda Corp's patent activity growing?
In our data, assignee counts were 88 in 2024 and 120 in 2025 (higher year over year).
What are recent patents assigned to Qisda Corp?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.