How many patents does Yamashita Yasuyuki have in patentsdb?

Yamashita Yasuyuki is linked to 15 publications as assignee in our database.

What technology areas does Yamashita Yasuyuki patent most?

Top mapped technology areas by patent count: Operations & Transport (14); Cross-Sectional Technologies (10); Chemistry & Metallurgy (7).

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

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

Yamashita Yasuyuki holds 15 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
Operations & Transport	14
Cross-Sectional Technologies	10
Chemistry & Metallurgy	7
Textiles & Paper	1
Physics	1

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

How many patents does Yamashita Yasuyuki have in patentsdb?: Yamashita Yasuyuki is linked to 15 publications as assignee in our database.
What technology areas does Yamashita Yasuyuki patent most?: Top mapped technology areas by patent count: Operations & Transport (14); Cross-Sectional Technologies (10); Chemistry & Metallurgy (7).
Is Yamashita Yasuyuki's patent activity growing?: In our data, assignee counts were 1 in 2024 and 1 in 2025 (similar year over year).
What are recent patents assigned to Yamashita Yasuyuki?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.