How many patents does Citizen Watch Co Ltd have in patentsdb?

Citizen Watch Co Ltd is linked to 819 publications as assignee in our database.

What technology areas does Citizen Watch Co Ltd patent most?

Top mapped technology areas by patent count: Physics (333); Electricity (249); Operations & Transport (212).

In our data, assignee counts were 39 in 2024 and 49 in 2025 (higher year over year).

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

Citizen Watch Co Ltd holds 819 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.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Physics	333
Electricity	249
Operations & Transport	212
Cross-Sectional Technologies	87
Mechanical Engineering	66
Chemistry & Metallurgy	53
Human Necessities	33

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

How many patents does Citizen Watch Co Ltd have in patentsdb?: Citizen Watch Co Ltd is linked to 819 publications as assignee in our database.
What technology areas does Citizen Watch Co Ltd patent most?: Top mapped technology areas by patent count: Physics (333); Electricity (249); Operations & Transport (212).
Is Citizen Watch Co Ltd's patent activity growing?: In our data, assignee counts were 39 in 2024 and 49 in 2025 (higher year over year).
What are recent patents assigned to Citizen Watch Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.