How many patents does Mitsui Chemicals Inc have in patentsdb?

Mitsui Chemicals Inc is linked to 1,668 publications as assignee in our database.

What technology areas does Mitsui Chemicals Inc patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (1,302); Operations & Transport (612); Physics (536).

In our data, assignee counts were 154 in 2024 and 126 in 2025 (lower year over year).

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

Mitsui Chemicals Inc holds 1,668 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	1,302
Operations & Transport	612
Physics	536
Electricity	356
Cross-Sectional Technologies	282
Human Necessities	247
Textiles & Paper	96
Mechanical Engineering	54
Fixed Constructions	4

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

How many patents does Mitsui Chemicals Inc have in patentsdb?: Mitsui Chemicals Inc is linked to 1,668 publications as assignee in our database.
What technology areas does Mitsui Chemicals Inc patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (1,302); Operations & Transport (612); Physics (536).
Is Mitsui Chemicals Inc's patent activity growing?: In our data, assignee counts were 154 in 2024 and 126 in 2025 (lower year over year).
What are recent patents assigned to Mitsui Chemicals Inc?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.