How many patents does Niitsuma Youhei have in patentsdb?

Niitsuma Youhei is linked to 32 publications as assignee in our database.

What technology areas does Niitsuma Youhei patent most?

Top mapped technology areas by patent count: Operations & Transport (21); Physics (17); Human Necessities (12).

In our data, assignee counts were 1 in 2024 and 7 in 2025 (higher year over year).

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

Niitsuma Youhei holds 32 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 growing.

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.

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

How many patents does Niitsuma Youhei have in patentsdb?: Niitsuma Youhei is linked to 32 publications as assignee in our database.
What technology areas does Niitsuma Youhei patent most?: Top mapped technology areas by patent count: Operations & Transport (21); Physics (17); Human Necessities (12).
Is Niitsuma Youhei's patent activity growing?: In our data, assignee counts were 1 in 2024 and 7 in 2025 (higher year over year).
What are recent patents assigned to Niitsuma Youhei?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.