How many patents does Denka Company Ltd have in patentsdb?

Denka Company Ltd is linked to 1,095 publications as assignee in our database.

What technology areas does Denka Company Ltd patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (875); Electricity (497); Operations & Transport (322).

In our data, assignee counts were 208 in 2024 and 112 in 2025 (lower year over year).

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

Denka Company Ltd holds 1,095 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.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Chemistry & Metallurgy	875
Electricity	497
Operations & Transport	322
Cross-Sectional Technologies	206
Physics	173
Human Necessities	101
Mechanical Engineering	68
Textiles & Paper	60
Fixed Constructions	16

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

How many patents does Denka Company Ltd have in patentsdb?: Denka Company Ltd is linked to 1,095 publications as assignee in our database.
What technology areas does Denka Company Ltd patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (875); Electricity (497); Operations & Transport (322).
Is Denka Company Ltd's patent activity growing?: In our data, assignee counts were 208 in 2024 and 112 in 2025 (lower year over year).
What are recent patents assigned to Denka Company Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.