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

Santen Pharmaceutical Co Ltd is linked to 228 publications as assignee in our database.

What technology areas does Santen Pharmaceutical Co Ltd patent most?

Top mapped technology areas by patent count: Human Necessities (211); Chemistry & Metallurgy (47); Cross-Sectional Technologies (22).

In our data, assignee counts were 13 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.

Santen Pharmaceutical Co Ltd holds 228 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	211
Chemistry & Metallurgy	47
Cross-Sectional Technologies	22
Physics	15
Operations & Transport	5
Mechanical Engineering	2

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

How many patents does Santen Pharmaceutical Co Ltd have in patentsdb?: Santen Pharmaceutical Co Ltd is linked to 228 publications as assignee in our database.
What technology areas does Santen Pharmaceutical Co Ltd patent most?: Top mapped technology areas by patent count: Human Necessities (211); Chemistry & Metallurgy (47); Cross-Sectional Technologies (22).
Is Santen Pharmaceutical Co Ltd's patent activity growing?: In our data, assignee counts were 13 in 2024 and 8 in 2025 (lower year over year).
What are recent patents assigned to Santen Pharmaceutical Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.