How many patents does Iijima Hideaki have in patentsdb?

Iijima Hideaki is linked to 15 publications as assignee in our database.

What technology areas does Iijima Hideaki patent most?

Top mapped technology areas by patent count: Physics (9); Electricity (5); Operations & Transport (4).

In our data, assignee counts were 2 in 2024 and 2 in 2025 (similar year over year).

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

Iijima Hideaki holds 15 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 growing.

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	9
Electricity	5
Operations & Transport	4
Mechanical Engineering	3
Cross-Sectional Technologies	3

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

How many patents does Iijima Hideaki have in patentsdb?: Iijima Hideaki is linked to 15 publications as assignee in our database.
What technology areas does Iijima Hideaki patent most?: Top mapped technology areas by patent count: Physics (9); Electricity (5); Operations & Transport (4).
Is Iijima Hideaki's patent activity growing?: In our data, assignee counts were 2 in 2024 and 2 in 2025 (similar year over year).
What are recent patents assigned to Iijima Hideaki?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.