How many patents does Ohtsuka Aiko have in patentsdb?

Ohtsuka Aiko is linked to 17 publications as assignee in our database.

What technology areas does Ohtsuka Aiko patent most?

Top mapped technology areas by patent count: Physics (17); Electricity (10); Cross-Sectional Technologies (3).

In our data, assignee counts were 1 in 2022 and 1 in 2025 (similar year over year).

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

Ohtsuka Aiko holds 17 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	17
Electricity	10
Cross-Sectional Technologies	3
Operations & Transport	1

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

How many patents does Ohtsuka Aiko have in patentsdb?: Ohtsuka Aiko is linked to 17 publications as assignee in our database.
What technology areas does Ohtsuka Aiko patent most?: Top mapped technology areas by patent count: Physics (17); Electricity (10); Cross-Sectional Technologies (3).
Is Ohtsuka Aiko's patent activity growing?: In our data, assignee counts were 1 in 2022 and 1 in 2025 (similar year over year).
What are recent patents assigned to Ohtsuka Aiko?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.