How many patents does Dupont Toray Specialty Materials Kk have in patentsdb?

Dupont Toray Specialty Materials Kk is linked to 27 publications as assignee in our database.

What technology areas does Dupont Toray Specialty Materials Kk patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (25); Electricity (22); Mechanical Engineering (3).

In our data, assignee counts were 3 in 2024 and 4 in 2025 (higher year over year).

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

Dupont Toray Specialty Materials Kk holds 27 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 growing.

Latest publications where this party is an assignee.

Representative or frequently cited publications from precomputed assignee stats.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Chemistry & Metallurgy	25
Electricity	22
Mechanical Engineering	3
Cross-Sectional Technologies	3
Operations & Transport	1
Physics	1

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

How many patents does Dupont Toray Specialty Materials Kk have in patentsdb?: Dupont Toray Specialty Materials Kk is linked to 27 publications as assignee in our database.
What technology areas does Dupont Toray Specialty Materials Kk patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (25); Electricity (22); Mechanical Engineering (3).
Is Dupont Toray Specialty Materials Kk's patent activity growing?: In our data, assignee counts were 3 in 2024 and 4 in 2025 (higher year over year).
What are recent patents assigned to Dupont Toray Specialty Materials Kk?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.