How many patents does Seikagaku Kogyo Co Ltd have in patentsdb?

Seikagaku Kogyo Co Ltd is linked to 153 publications as assignee in our database.

What technology areas does Seikagaku Kogyo Co Ltd patent most?

Top mapped technology areas by patent count: Human Necessities (105); Chemistry & Metallurgy (101); Physics (40).

In our data, assignee counts were 5 in 2024 and 12 in 2025 (higher year over year).

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

Seikagaku Kogyo Co Ltd holds 153 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	105
Chemistry & Metallurgy	101
Physics	40
Cross-Sectional Technologies	10
Operations & Transport	1

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

How many patents does Seikagaku Kogyo Co Ltd have in patentsdb?: Seikagaku Kogyo Co Ltd is linked to 153 publications as assignee in our database.
What technology areas does Seikagaku Kogyo Co Ltd patent most?: Top mapped technology areas by patent count: Human Necessities (105); Chemistry & Metallurgy (101); Physics (40).
Is Seikagaku Kogyo Co Ltd's patent activity growing?: In our data, assignee counts were 5 in 2024 and 12 in 2025 (higher year over year).
What are recent patents assigned to Seikagaku Kogyo Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.