How many patents does Yamaguchi Daisuke have in patentsdb?

Yamaguchi Daisuke is linked to 7 publications as assignee in our database.

What technology areas does Yamaguchi Daisuke patent most?

Top mapped technology areas by patent count: Physics (6); Electricity (6); Operations & Transport (3).

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.

Yamaguchi Daisuke holds 7 patents in our database, with recent filings and technology areas summarized below.

Year-over-year patent counts for this assignee.

Filing activity appears to be growing based on the most recent years.

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	6
Electricity	6
Operations & Transport	3
Cross-Sectional Technologies	1

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

How many patents does Yamaguchi Daisuke have in patentsdb?: Yamaguchi Daisuke is linked to 7 publications as assignee in our database.
What technology areas does Yamaguchi Daisuke patent most?: Top mapped technology areas by patent count: Physics (6); Electricity (6); Operations & Transport (3).
Is Yamaguchi Daisuke'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 Yamaguchi Daisuke?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.