How many patents does Univ Keio have in patentsdb?

Univ Keio is linked to 564 publications as assignee in our database.

What technology areas does Univ Keio patent most?

Top mapped technology areas by patent count: Human Necessities (289); Physics (254); Chemistry & Metallurgy (245).

In our data, assignee counts were 55 in 2024 and 60 in 2025 (higher year over year).

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

Univ Keio holds 564 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 stable.

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
Human Necessities	289
Physics	254
Chemistry & Metallurgy	245
Electricity	84
Operations & Transport	75
Cross-Sectional Technologies	47
Mechanical Engineering	7
Textiles & Paper	1

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

How many patents does Univ Keio have in patentsdb?: Univ Keio is linked to 564 publications as assignee in our database.
What technology areas does Univ Keio patent most?: Top mapped technology areas by patent count: Human Necessities (289); Physics (254); Chemistry & Metallurgy (245).
Is Univ Keio's patent activity growing?: In our data, assignee counts were 55 in 2024 and 60 in 2025 (higher year over year).
What are recent patents assigned to Univ Keio?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.