How many patents does Sumitomo Electric Sintered Alloy Ltd have in patentsdb?

Sumitomo Electric Sintered Alloy Ltd is linked to 187 publications as assignee in our database.

What technology areas does Sumitomo Electric Sintered Alloy Ltd patent most?

Top mapped technology areas by patent count: Operations & Transport (130); Chemistry & Metallurgy (73); Electricity (58).

In our data, assignee counts were 25 in 2024 and 15 in 2025 (lower year over year).

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

Sumitomo Electric Sintered Alloy Ltd holds 187 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.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Operations & Transport	130
Chemistry & Metallurgy	73
Electricity	58
Mechanical Engineering	39
Cross-Sectional Technologies	18
Physics	10

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

How many patents does Sumitomo Electric Sintered Alloy Ltd have in patentsdb?: Sumitomo Electric Sintered Alloy Ltd is linked to 187 publications as assignee in our database.
What technology areas does Sumitomo Electric Sintered Alloy Ltd patent most?: Top mapped technology areas by patent count: Operations & Transport (130); Chemistry & Metallurgy (73); Electricity (58).
Is Sumitomo Electric Sintered Alloy Ltd's patent activity growing?: In our data, assignee counts were 25 in 2024 and 15 in 2025 (lower year over year).
What are recent patents assigned to Sumitomo Electric Sintered Alloy Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.