How many patents does Sumitomo Heavy Industries Ion Tech Co Ltd have in patentsdb?

Sumitomo Heavy Industries Ion Tech Co Ltd is linked to 100 publications as assignee in our database.

What technology areas does Sumitomo Heavy Industries Ion Tech Co Ltd patent most?

Top mapped technology areas by patent count: Electricity (100); Physics (20); Chemistry & Metallurgy (15).

In our data, assignee counts were 8 in 2024 and 11 in 2025 (higher year over year).

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

Sumitomo Heavy Industries Ion Tech Co Ltd holds 100 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.

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

How many patents does Sumitomo Heavy Industries Ion Tech Co Ltd have in patentsdb?: Sumitomo Heavy Industries Ion Tech Co Ltd is linked to 100 publications as assignee in our database.
What technology areas does Sumitomo Heavy Industries Ion Tech Co Ltd patent most?: Top mapped technology areas by patent count: Electricity (100); Physics (20); Chemistry & Metallurgy (15).
Is Sumitomo Heavy Industries Ion Tech Co Ltd's patent activity growing?: In our data, assignee counts were 8 in 2024 and 11 in 2025 (higher year over year).
What are recent patents assigned to Sumitomo Heavy Industries Ion Tech Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.