How many patents does Chugai Pharmaceutical Co Ltd have in patentsdb?

Chugai Pharmaceutical Co Ltd is linked to 1,027 publications as assignee in our database.

What technology areas does Chugai Pharmaceutical Co Ltd patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (955); Human Necessities (845); Physics (237).

In our data, assignee counts were 125 in 2024 and 121 in 2025 (lower year over year).

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

Chugai Pharmaceutical Co Ltd holds 1,027 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 stable.

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	955
Human Necessities	845
Physics	237
Cross-Sectional Technologies	103
Operations & Transport	35
Mechanical Engineering	1

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

How many patents does Chugai Pharmaceutical Co Ltd have in patentsdb?: Chugai Pharmaceutical Co Ltd is linked to 1,027 publications as assignee in our database.
What technology areas does Chugai Pharmaceutical Co Ltd patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (955); Human Necessities (845); Physics (237).
Is Chugai Pharmaceutical Co Ltd's patent activity growing?: In our data, assignee counts were 125 in 2024 and 121 in 2025 (lower year over year).
What are recent patents assigned to Chugai Pharmaceutical Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.