How many patents does Sumitomo Electric Toyama Co have in patentsdb?

Sumitomo Electric Toyama Co is linked to 39 publications as assignee in our database.

What technology areas does Sumitomo Electric Toyama Co patent most?

Top mapped technology areas by patent count: Electricity (36); Chemistry & Metallurgy (31); Cross-Sectional Technologies (28).

In our data, assignee counts were 4 in 2024 and 2 in 2025 (lower year over year).

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

Sumitomo Electric Toyama Co holds 39 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.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Electricity	36
Chemistry & Metallurgy	31
Cross-Sectional Technologies	28
Operations & Transport	22
Mechanical Engineering	1

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

How many patents does Sumitomo Electric Toyama Co have in patentsdb?: Sumitomo Electric Toyama Co is linked to 39 publications as assignee in our database.
What technology areas does Sumitomo Electric Toyama Co patent most?: Top mapped technology areas by patent count: Electricity (36); Chemistry & Metallurgy (31); Cross-Sectional Technologies (28).
Is Sumitomo Electric Toyama Co's patent activity growing?: In our data, assignee counts were 4 in 2024 and 2 in 2025 (lower year over year).
What are recent patents assigned to Sumitomo Electric Toyama Co?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.