How many patents does Riken have in patentsdb?

Riken is linked to 1,016 publications as assignee in our database.

What technology areas does Riken patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (498); Physics (471); Human Necessities (371).

In our data, assignee counts were 93 in 2024 and 76 in 2025 (lower year over year).

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

Riken holds 1,016 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	498
Physics	471
Human Necessities	371
Electricity	242
Cross-Sectional Technologies	104
Operations & Transport	46
Mechanical Engineering	10
Textiles & Paper	5
Fixed Constructions	1

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

How many patents does Riken have in patentsdb?: Riken is linked to 1,016 publications as assignee in our database.
What technology areas does Riken patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (498); Physics (471); Human Necessities (371).
Is Riken's patent activity growing?: In our data, assignee counts were 93 in 2024 and 76 in 2025 (lower year over year).
What are recent patents assigned to Riken?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.