How many patents does Yamada Tsukasa have in patentsdb?

Yamada Tsukasa is linked to 26 publications as assignee in our database.

What technology areas does Yamada Tsukasa patent most?

Top mapped technology areas by patent count: Physics (25); Electricity (9); Operations & Transport (7).

In our data, assignee counts were 1 in 2023 and 2 in 2025 (higher year over year).

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

Yamada Tsukasa holds 26 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 Yamada Tsukasa have in patentsdb?: Yamada Tsukasa is linked to 26 publications as assignee in our database.
What technology areas does Yamada Tsukasa patent most?: Top mapped technology areas by patent count: Physics (25); Electricity (9); Operations & Transport (7).
Is Yamada Tsukasa's patent activity growing?: In our data, assignee counts were 1 in 2023 and 2 in 2025 (higher year over year).
What are recent patents assigned to Yamada Tsukasa?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.