How many patents does Tokuyama Corp have in patentsdb?

Tokuyama Corp is linked to 613 publications as assignee in our database.

What technology areas does Tokuyama Corp patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (555); Operations & Transport (219); Electricity (162).

In our data, assignee counts were 82 in 2024 and 78 in 2025 (lower year over year).

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

Tokuyama Corp holds 613 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
Chemistry & Metallurgy	555
Operations & Transport	219
Electricity	162
Physics	152
Cross-Sectional Technologies	104
Human Necessities	39
Mechanical Engineering	14
Fixed Constructions	1

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

How many patents does Tokuyama Corp have in patentsdb?: Tokuyama Corp is linked to 613 publications as assignee in our database.
What technology areas does Tokuyama Corp patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (555); Operations & Transport (219); Electricity (162).
Is Tokuyama Corp's patent activity growing?: In our data, assignee counts were 82 in 2024 and 78 in 2025 (lower year over year).
What are recent patents assigned to Tokuyama Corp?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.