How many patents does Unicharm Corp have in patentsdb?

Unicharm Corp is linked to 983 publications as assignee in our database.

What technology areas does Unicharm Corp patent most?

Top mapped technology areas by patent count: Human Necessities (894); Operations & Transport (304); Textiles & Paper (146).

In our data, assignee counts were 30 in 2024 and 25 in 2025 (lower year over year).

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

Unicharm Corp holds 983 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
Human Necessities	894
Operations & Transport	304
Textiles & Paper	146
Cross-Sectional Technologies	137
Chemistry & Metallurgy	53
Physics	20
Mechanical Engineering	11
Electricity	6
Fixed Constructions	5

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 Unicharm Corp have in patentsdb?: Unicharm Corp is linked to 983 publications as assignee in our database.
What technology areas does Unicharm Corp patent most?: Top mapped technology areas by patent count: Human Necessities (894); Operations & Transport (304); Textiles & Paper (146).
Is Unicharm Corp's patent activity growing?: In our data, assignee counts were 30 in 2024 and 25 in 2025 (lower year over year).
What are recent patents assigned to Unicharm Corp?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.