How many patents does Tokai Chemical Ind have in patentsdb?

Tokai Chemical Ind is linked to 40 publications as assignee in our database.

What technology areas does Tokai Chemical Ind patent most?

Top mapped technology areas by patent count: Operations & Transport (36); Human Necessities (16); Electricity (8).

In our data, assignee counts were 5 in 2024 and 4 in 2025 (lower year over year).

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

Tokai Chemical Ind holds 40 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.

Mapped technology topics for this assignee.

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

How many patents does Tokai Chemical Ind have in patentsdb?: Tokai Chemical Ind is linked to 40 publications as assignee in our database.
What technology areas does Tokai Chemical Ind patent most?: Top mapped technology areas by patent count: Operations & Transport (36); Human Necessities (16); Electricity (8).
Is Tokai Chemical Ind's patent activity growing?: In our data, assignee counts were 5 in 2024 and 4 in 2025 (lower year over year).
What are recent patents assigned to Tokai Chemical Ind?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.