How many patents does Yamauchi Yoshitaka have in patentsdb?

Yamauchi Yoshitaka is linked to 29 publications as assignee in our database.

What technology areas does Yamauchi Yoshitaka patent most?

Top mapped technology areas by patent count: Physics (28); Chemistry & Metallurgy (4); Cross-Sectional Technologies (3).

In our data, assignee counts were 3 in 2024 and 1 in 2025 (lower year over year).

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

Yamauchi Yoshitaka holds 29 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.

Company technology slices
Technology	Patents
Physics	28
Chemistry & Metallurgy	4
Cross-Sectional Technologies	3
Operations & Transport	1

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

How many patents does Yamauchi Yoshitaka have in patentsdb?: Yamauchi Yoshitaka is linked to 29 publications as assignee in our database.
What technology areas does Yamauchi Yoshitaka patent most?: Top mapped technology areas by patent count: Physics (28); Chemistry & Metallurgy (4); Cross-Sectional Technologies (3).
Is Yamauchi Yoshitaka's patent activity growing?: In our data, assignee counts were 3 in 2024 and 1 in 2025 (lower year over year).
What are recent patents assigned to Yamauchi Yoshitaka?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.