How many patents does Sumco Corp have in patentsdb?

Sumco Corp is linked to 711 publications as assignee in our database.

What technology areas does Sumco Corp patent most?

Top mapped technology areas by patent count: Electricity (491); Chemistry & Metallurgy (437); Operations & Transport (187).

In our data, assignee counts were 63 in 2024 and 62 in 2025 (lower year over year).

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

Sumco Corp holds 711 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.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Electricity	491
Chemistry & Metallurgy	437
Operations & Transport	187
Physics	144
Cross-Sectional Technologies	98
Mechanical Engineering	8

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

How many patents does Sumco Corp have in patentsdb?: Sumco Corp is linked to 711 publications as assignee in our database.
What technology areas does Sumco Corp patent most?: Top mapped technology areas by patent count: Electricity (491); Chemistry & Metallurgy (437); Operations & Transport (187).
Is Sumco Corp's patent activity growing?: In our data, assignee counts were 63 in 2024 and 62 in 2025 (lower year over year).
What are recent patents assigned to Sumco Corp?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.