Quantum Si Inc patents

Quantum Si Inc holds 342 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents342
Recent patents138
First publicationMay 21, 2015
Latest publicationMar 17, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20153
20163
201820
201927
202038
202145
202257
202338
202469
202534
20268
Browse patents by year
YearPatents
20153
20163
201820
201927
202038
202145
202257
202338
202469
202534
20268

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.

Frequently asked questions

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

How many patents does Quantum Si Inc have in patentsdb?
Quantum Si Inc is linked to 342 publications as assignee in our database.
What technology areas does Quantum Si Inc patent most?
Top mapped technology areas by patent count: Physics (295); Chemistry & Metallurgy (203); Electricity (115).
Is Quantum Si Inc's patent activity growing?
In our data, assignee counts were 69 in 2024 and 34 in 2025 (lower year over year).
What are recent patents assigned to Quantum Si Inc?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.