How many patents does Itoh Optical Ind have in patentsdb?

Itoh Optical Ind is linked to 10 publications as assignee in our database.

What technology areas does Itoh Optical Ind patent most?

Top mapped technology areas by patent count: Physics (9); Chemistry & Metallurgy (3); Electricity (2).

In our data, assignee counts were 1 in 2024 and 1 in 2025 (similar year over year).

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

Itoh Optical Ind holds 10 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 declining.

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 Itoh Optical Ind have in patentsdb?: Itoh Optical Ind is linked to 10 publications as assignee in our database.
What technology areas does Itoh Optical Ind patent most?: Top mapped technology areas by patent count: Physics (9); Chemistry & Metallurgy (3); Electricity (2).
Is Itoh Optical Ind's patent activity growing?: In our data, assignee counts were 1 in 2024 and 1 in 2025 (similar year over year).
What are recent patents assigned to Itoh Optical Ind?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.