How many patents does Ohhira Tatsuya have in patentsdb?

Ohhira Tatsuya is linked to 13 publications as assignee in our database.

What technology areas does Ohhira Tatsuya patent most?

Top mapped technology areas by patent count: Physics (13); Operations & Transport (1).

In our data, assignee counts were 4 in 2021 and 2 in 2025 (lower year over year).

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

Ohhira Tatsuya holds 13 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 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	13
Operations & Transport	1

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

How many patents does Ohhira Tatsuya have in patentsdb?: Ohhira Tatsuya is linked to 13 publications as assignee in our database.
What technology areas does Ohhira Tatsuya patent most?: Top mapped technology areas by patent count: Physics (13); Operations & Transport (1).
Is Ohhira Tatsuya's patent activity growing?: In our data, assignee counts were 4 in 2021 and 2 in 2025 (lower year over year).
What are recent patents assigned to Ohhira Tatsuya?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.