How many patents does Shirane Ryuichi have in patentsdb?

Shirane Ryuichi is linked to 12 publications as assignee in our database.

What technology areas does Shirane Ryuichi patent most?

Top mapped technology areas by patent count: Physics (7); Electricity (6); Operations & Transport (1).

In our data, assignee counts were 1 in 2023 and 1 in 2025 (similar year over year).

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

Shirane Ryuichi holds 12 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.

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

How many patents does Shirane Ryuichi have in patentsdb?: Shirane Ryuichi is linked to 12 publications as assignee in our database.
What technology areas does Shirane Ryuichi patent most?: Top mapped technology areas by patent count: Physics (7); Electricity (6); Operations & Transport (1).
Is Shirane Ryuichi's patent activity growing?: In our data, assignee counts were 1 in 2023 and 1 in 2025 (similar year over year).
What are recent patents assigned to Shirane Ryuichi?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.