How many patents does Nikkiso Co Ltd have in patentsdb?

Nikkiso Co Ltd is linked to 590 publications as assignee in our database.

What technology areas does Nikkiso Co Ltd patent most?

Top mapped technology areas by patent count: Human Necessities (332); Electricity (199); Chemistry & Metallurgy (82).

In our data, assignee counts were 77 in 2024 and 60 in 2025 (lower year over year).

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

Nikkiso Co Ltd holds 590 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
Human Necessities	332
Electricity	199
Chemistry & Metallurgy	82
Physics	79
Operations & Transport	67
Mechanical Engineering	51
Cross-Sectional Technologies	25
Fixed Constructions	2

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

How many patents does Nikkiso Co Ltd have in patentsdb?: Nikkiso Co Ltd is linked to 590 publications as assignee in our database.
What technology areas does Nikkiso Co Ltd patent most?: Top mapped technology areas by patent count: Human Necessities (332); Electricity (199); Chemistry & Metallurgy (82).
Is Nikkiso Co Ltd's patent activity growing?: In our data, assignee counts were 77 in 2024 and 60 in 2025 (lower year over year).
What are recent patents assigned to Nikkiso Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.