How many patents does Nitto Denko Corp have in patentsdb?

Nitto Denko Corp is linked to 4,224 publications as assignee in our database.

What technology areas does Nitto Denko Corp patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (2,213); Operations & Transport (1,830); Physics (1,726).

In our data, assignee counts were 297 in 2024 and 245 in 2025 (lower year over year).

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

Nitto Denko Corp holds 4,224 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.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Chemistry & Metallurgy	2,213
Operations & Transport	1,830
Physics	1,726
Electricity	1,724
Cross-Sectional Technologies	870
Human Necessities	443
Mechanical Engineering	183
Textiles & Paper	49
Fixed Constructions	43

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

How many patents does Nitto Denko Corp have in patentsdb?: Nitto Denko Corp is linked to 4,224 publications as assignee in our database.
What technology areas does Nitto Denko Corp patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (2,213); Operations & Transport (1,830); Physics (1,726).
Is Nitto Denko Corp's patent activity growing?: In our data, assignee counts were 297 in 2024 and 245 in 2025 (lower year over year).
What are recent patents assigned to Nitto Denko Corp?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.