How many patents does Rohm Co Ltd have in patentsdb?

Rohm Co Ltd is linked to 6,707 publications as assignee in our database.

What technology areas does Rohm Co Ltd patent most?

Top mapped technology areas by patent count: Electricity (6,050); Physics (1,513); Cross-Sectional Technologies (716).

In our data, assignee counts were 972 in 2024 and 647 in 2025 (lower year over year).

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

Rohm Co Ltd holds 6,707 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 growing.

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	6,050
Physics	1,513
Cross-Sectional Technologies	716
Operations & Transport	635
Mechanical Engineering	143
Chemistry & Metallurgy	53
Human Necessities	31
Fixed Constructions	6
Textiles & Paper	2

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

How many patents does Rohm Co Ltd have in patentsdb?: Rohm Co Ltd is linked to 6,707 publications as assignee in our database.
What technology areas does Rohm Co Ltd patent most?: Top mapped technology areas by patent count: Electricity (6,050); Physics (1,513); Cross-Sectional Technologies (716).
Is Rohm Co Ltd's patent activity growing?: In our data, assignee counts were 972 in 2024 and 647 in 2025 (lower year over year).
What are recent patents assigned to Rohm Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.