How many patents does Univ Yamaguchi have in patentsdb?

Univ Yamaguchi is linked to 133 publications as assignee in our database.

What technology areas does Univ Yamaguchi patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (91); Human Necessities (74); Physics (32).

In our data, assignee counts were 11 in 2024 and 7 in 2025 (lower year over year).

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

Univ Yamaguchi holds 133 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.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Chemistry & Metallurgy	91
Human Necessities	74
Physics	32
Cross-Sectional Technologies	19
Operations & Transport	13
Electricity	10
Mechanical Engineering	2
Fixed Constructions	2

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

How many patents does Univ Yamaguchi have in patentsdb?: Univ Yamaguchi is linked to 133 publications as assignee in our database.
What technology areas does Univ Yamaguchi patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (91); Human Necessities (74); Physics (32).
Is Univ Yamaguchi's patent activity growing?: In our data, assignee counts were 11 in 2024 and 7 in 2025 (lower year over year).
What are recent patents assigned to Univ Yamaguchi?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.