How many patents does Dainippon Printing Co Ltd have in patentsdb?

Dainippon Printing Co Ltd is linked to 2,667 publications as assignee in our database.

What technology areas does Dainippon Printing Co Ltd patent most?

Top mapped technology areas by patent count: Operations & Transport (1,632); Electricity (1,252); Physics (1,102).

In our data, assignee counts were 245 in 2024 and 253 in 2025 (higher year over year).

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

Dainippon Printing Co Ltd holds 2,667 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
Operations & Transport	1,632
Electricity	1,252
Physics	1,102
Chemistry & Metallurgy	785
Cross-Sectional Technologies	567
Mechanical Engineering	225
Human Necessities	204
Fixed Constructions	117
Textiles & Paper	21

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

How many patents does Dainippon Printing Co Ltd have in patentsdb?: Dainippon Printing Co Ltd is linked to 2,667 publications as assignee in our database.
What technology areas does Dainippon Printing Co Ltd patent most?: Top mapped technology areas by patent count: Operations & Transport (1,632); Electricity (1,252); Physics (1,102).
Is Dainippon Printing Co Ltd's patent activity growing?: In our data, assignee counts were 245 in 2024 and 253 in 2025 (higher year over year).
What are recent patents assigned to Dainippon Printing Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.