How many patents does Dainippon Ink & Chemicals have in patentsdb?

Dainippon Ink & Chemicals is linked to 1,755 publications as assignee in our database.

What technology areas does Dainippon Ink & Chemicals patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (1,617); Physics (592); Operations & Transport (459).

In our data, assignee counts were 159 in 2024 and 139 in 2025 (lower year over year).

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

Dainippon Ink & Chemicals holds 1,755 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	1,617
Physics	592
Operations & Transport	459
Electricity	275
Cross-Sectional Technologies	156
Textiles & Paper	90
Human Necessities	50
Mechanical Engineering	27
Fixed Constructions	8

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

How many patents does Dainippon Ink & Chemicals have in patentsdb?: Dainippon Ink & Chemicals is linked to 1,755 publications as assignee in our database.
What technology areas does Dainippon Ink & Chemicals patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (1,617); Physics (592); Operations & Transport (459).
Is Dainippon Ink & Chemicals's patent activity growing?: In our data, assignee counts were 159 in 2024 and 139 in 2025 (lower year over year).
What are recent patents assigned to Dainippon Ink & Chemicals?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.