How many patents does Lumentum Japan Inc have in patentsdb?

Lumentum Japan Inc is linked to 128 publications as assignee in our database.

What technology areas does Lumentum Japan Inc patent most?

Top mapped technology areas by patent count: Electricity (111); Physics (55); Cross-Sectional Technologies (1).

In our data, assignee counts were 17 in 2024 and 5 in 2025 (lower year over year).

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

Lumentum Japan Inc holds 128 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 rapidly declining.

Latest publications where this party is an assignee.

Representative or frequently cited publications from precomputed assignee stats.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Electricity	111
Physics	55
Cross-Sectional Technologies	1

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

How many patents does Lumentum Japan Inc have in patentsdb?: Lumentum Japan Inc is linked to 128 publications as assignee in our database.
What technology areas does Lumentum Japan Inc patent most?: Top mapped technology areas by patent count: Electricity (111); Physics (55); Cross-Sectional Technologies (1).
Is Lumentum Japan Inc's patent activity growing?: In our data, assignee counts were 17 in 2024 and 5 in 2025 (lower year over year).
What are recent patents assigned to Lumentum Japan Inc?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.