How many patents does Showa Denko Materials Co Ltd have in patentsdb?

Showa Denko Materials Co Ltd is linked to 457 publications as assignee in our database.

What technology areas does Showa Denko Materials Co Ltd patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (344); Electricity (309); Operations & Transport (176).

In our data, assignee counts were 41 in 2024 and 35 in 2025 (lower year over year).

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

Showa Denko Materials Co Ltd holds 457 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 rapidly declining.

Latest publications where this party is an assignee.

Representative or frequently cited publications from precomputed assignee stats.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Chemistry & Metallurgy	344
Electricity	309
Operations & Transport	176
Cross-Sectional Technologies	64
Physics	63
Mechanical Engineering	36
Fixed Constructions	4
Human Necessities	3
Textiles & Paper	3

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

How many patents does Showa Denko Materials Co Ltd have in patentsdb?: Showa Denko Materials Co Ltd is linked to 457 publications as assignee in our database.
What technology areas does Showa Denko Materials Co Ltd patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (344); Electricity (309); Operations & Transport (176).
Is Showa Denko Materials Co Ltd's patent activity growing?: In our data, assignee counts were 41 in 2024 and 35 in 2025 (lower year over year).
What are recent patents assigned to Showa Denko Materials Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.