How many patents does Ieiri Yuji have in patentsdb?

Ieiri Yuji is linked to 14 publications as assignee in our database.

What technology areas does Ieiri Yuji patent most?

Top mapped technology areas by patent count: Physics (12); Operations & Transport (2); Electricity (1).

In our data, assignee counts were 3 in 2024 and 1 in 2025 (lower year over year).

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

Ieiri Yuji holds 14 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.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Physics	12
Operations & Transport	2
Electricity	1
Cross-Sectional Technologies	1

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

How many patents does Ieiri Yuji have in patentsdb?: Ieiri Yuji is linked to 14 publications as assignee in our database.
What technology areas does Ieiri Yuji patent most?: Top mapped technology areas by patent count: Physics (12); Operations & Transport (2); Electricity (1).
Is Ieiri Yuji's patent activity growing?: In our data, assignee counts were 3 in 2024 and 1 in 2025 (lower year over year).
What are recent patents assigned to Ieiri Yuji?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.