How many patents does Arkray Inc have in patentsdb?

Arkray Inc is linked to 510 publications as assignee in our database.

What technology areas does Arkray Inc patent most?

Top mapped technology areas by patent count: Physics (421); Chemistry & Metallurgy (170); Operations & Transport (124).

In our data, assignee counts were 39 in 2024 and 33 in 2025 (lower year over year).

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

Arkray Inc holds 510 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
Physics	421
Chemistry & Metallurgy	170
Operations & Transport	124
Human Necessities	91
Cross-Sectional Technologies	37
Electricity	27
Mechanical Engineering	4

Free tools are coming soon. Tell us what you want to track and we'll notify you.

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

How many patents does Arkray Inc have in patentsdb?: Arkray Inc is linked to 510 publications as assignee in our database.
What technology areas does Arkray Inc patent most?: Top mapped technology areas by patent count: Physics (421); Chemistry & Metallurgy (170); Operations & Transport (124).
Is Arkray Inc's patent activity growing?: In our data, assignee counts were 39 in 2024 and 33 in 2025 (lower year over year).
What are recent patents assigned to Arkray Inc?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.