How many patents does Sei Optifrontier Co Ltd have in patentsdb?

Sei Optifrontier Co Ltd is linked to 115 publications as assignee in our database.

What technology areas does Sei Optifrontier Co Ltd patent most?

Top mapped technology areas by patent count: Physics (102); Electricity (22); Operations & Transport (8).

In our data, assignee counts were 1 in 2023 and 1 in 2025 (similar year over year).

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

Sei Optifrontier Co Ltd holds 115 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.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Physics	102
Electricity	22
Operations & Transport	8
Cross-Sectional Technologies	6
Human Necessities	1

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

How many patents does Sei Optifrontier Co Ltd have in patentsdb?: Sei Optifrontier Co Ltd is linked to 115 publications as assignee in our database.
What technology areas does Sei Optifrontier Co Ltd patent most?: Top mapped technology areas by patent count: Physics (102); Electricity (22); Operations & Transport (8).
Is Sei Optifrontier Co Ltd's patent activity growing?: In our data, assignee counts were 1 in 2023 and 1 in 2025 (similar year over year).
What are recent patents assigned to Sei Optifrontier Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.