How many patents does Dow Toray Co Ltd have in patentsdb?

Dow Toray Co Ltd is linked to 342 publications as assignee in our database.

What technology areas does Dow Toray Co Ltd patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (330); Operations & Transport (139); Electricity (119).

In our data, assignee counts were 64 in 2024 and 42 in 2025 (lower year over year).

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

Dow Toray Co Ltd holds 342 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	330
Operations & Transport	139
Electricity	119
Human Necessities	53
Physics	43
Cross-Sectional Technologies	33
Textiles & Paper	19
Fixed Constructions	2

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

How many patents does Dow Toray Co Ltd have in patentsdb?: Dow Toray Co Ltd is linked to 342 publications as assignee in our database.
What technology areas does Dow Toray Co Ltd patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (330); Operations & Transport (139); Electricity (119).
Is Dow Toray Co Ltd's patent activity growing?: In our data, assignee counts were 64 in 2024 and 42 in 2025 (lower year over year).
What are recent patents assigned to Dow Toray Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.