How many patents does Kyowa Hakko Bio Co Ltd have in patentsdb?

Kyowa Hakko Bio Co Ltd is linked to 132 publications as assignee in our database.

What technology areas does Kyowa Hakko Bio Co Ltd patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (85); Human Necessities (66); Physics (6).

In our data, assignee counts were 11 in 2024 and 8 in 2025 (lower year over year).

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

Kyowa Hakko Bio Co Ltd holds 132 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	85
Human Necessities	66
Physics	6
Cross-Sectional Technologies	5
Operations & Transport	4

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

How many patents does Kyowa Hakko Bio Co Ltd have in patentsdb?: Kyowa Hakko Bio Co Ltd is linked to 132 publications as assignee in our database.
What technology areas does Kyowa Hakko Bio Co Ltd patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (85); Human Necessities (66); Physics (6).
Is Kyowa Hakko Bio Co Ltd's patent activity growing?: In our data, assignee counts were 11 in 2024 and 8 in 2025 (lower year over year).
What are recent patents assigned to Kyowa Hakko Bio Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.