How many patents does Kao Corp have in patentsdb?

Kao Corp is linked to 2,318 publications as assignee in our database.

What technology areas does Kao Corp patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (1,237); Human Necessities (1,141); Operations & Transport (654).

In our data, assignee counts were 202 in 2024 and 191 in 2025 (lower year over year).

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

Kao Corp holds 2,318 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
Chemistry & Metallurgy	1,237
Human Necessities	1,141
Operations & Transport	654
Physics	218
Textiles & Paper	202
Cross-Sectional Technologies	129
Electricity	72
Fixed Constructions	38
Mechanical Engineering	29

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

How many patents does Kao Corp have in patentsdb?: Kao Corp is linked to 2,318 publications as assignee in our database.
What technology areas does Kao Corp patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (1,237); Human Necessities (1,141); Operations & Transport (654).
Is Kao Corp's patent activity growing?: In our data, assignee counts were 202 in 2024 and 191 in 2025 (lower year over year).
What are recent patents assigned to Kao Corp?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.