How many patents does Sumitomo Osaka Cement Co Ltd have in patentsdb?

Sumitomo Osaka Cement Co Ltd is linked to 748 publications as assignee in our database.

What technology areas does Sumitomo Osaka Cement Co Ltd patent most?

Top mapped technology areas by patent count: Physics (385); Electricity (375); Chemistry & Metallurgy (195).

In our data, assignee counts were 44 in 2024 and 56 in 2025 (higher year over year).

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

Sumitomo Osaka Cement Co Ltd holds 748 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
Physics	385
Electricity	375
Chemistry & Metallurgy	195
Cross-Sectional Technologies	169
Operations & Transport	88
Human Necessities	45
Mechanical Engineering	7

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

How many patents does Sumitomo Osaka Cement Co Ltd have in patentsdb?: Sumitomo Osaka Cement Co Ltd is linked to 748 publications as assignee in our database.
What technology areas does Sumitomo Osaka Cement Co Ltd patent most?: Top mapped technology areas by patent count: Physics (385); Electricity (375); Chemistry & Metallurgy (195).
Is Sumitomo Osaka Cement Co Ltd's patent activity growing?: In our data, assignee counts were 44 in 2024 and 56 in 2025 (higher year over year).
What are recent patents assigned to Sumitomo Osaka Cement Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.