How many patents does HIDA Ryusaku have in patentsdb?

HIDA Ryusaku is linked to 22 publications as assignee in our database.

What technology areas does HIDA Ryusaku patent most?

Top mapped technology areas by patent count: Operations & Transport (22); Mechanical Engineering (2); Physics (2).

In our data, assignee counts were 6 in 2024 and 2 in 2025 (lower year over year).

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

HIDA Ryusaku holds 22 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.

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

How many patents does HIDA Ryusaku have in patentsdb?: HIDA Ryusaku is linked to 22 publications as assignee in our database.
What technology areas does HIDA Ryusaku patent most?: Top mapped technology areas by patent count: Operations & Transport (22); Mechanical Engineering (2); Physics (2).
Is HIDA Ryusaku's patent activity growing?: In our data, assignee counts were 6 in 2024 and 2 in 2025 (lower year over year).
What are recent patents assigned to HIDA Ryusaku?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.