How many patents does Sumitomo Electric Wintec Inc have in patentsdb?

Sumitomo Electric Wintec Inc is linked to 21 publications as assignee in our database.

What technology areas does Sumitomo Electric Wintec Inc patent most?

Top mapped technology areas by patent count: Electricity (21); Chemistry & Metallurgy (14); Physics (2).

In our data, assignee counts were 3 in 2024 and 3 in 2025 (similar year over year).

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

Sumitomo Electric Wintec Inc holds 21 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
Electricity	21
Chemistry & Metallurgy	14
Physics	2
Cross-Sectional Technologies	1

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

How many patents does Sumitomo Electric Wintec Inc have in patentsdb?: Sumitomo Electric Wintec Inc is linked to 21 publications as assignee in our database.
What technology areas does Sumitomo Electric Wintec Inc patent most?: Top mapped technology areas by patent count: Electricity (21); Chemistry & Metallurgy (14); Physics (2).
Is Sumitomo Electric Wintec Inc's patent activity growing?: In our data, assignee counts were 3 in 2024 and 3 in 2025 (similar year over year).
What are recent patents assigned to Sumitomo Electric Wintec Inc?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.