How many patents does Toyo Boseki have in patentsdb?

Toyo Boseki is linked to 1,031 publications as assignee in our database.

What technology areas does Toyo Boseki patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (710); Operations & Transport (683); Cross-Sectional Technologies (228).

In our data, assignee counts were 129 in 2024 and 99 in 2025 (lower year over year).

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

Toyo Boseki holds 1,031 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	710
Operations & Transport	683
Cross-Sectional Technologies	228
Physics	199
Electricity	140
Textiles & Paper	124
Human Necessities	116
Mechanical Engineering	7
Fixed Constructions	3

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

How many patents does Toyo Boseki have in patentsdb?: Toyo Boseki is linked to 1,031 publications as assignee in our database.
What technology areas does Toyo Boseki patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (710); Operations & Transport (683); Cross-Sectional Technologies (228).
Is Toyo Boseki's patent activity growing?: In our data, assignee counts were 129 in 2024 and 99 in 2025 (lower year over year).
What are recent patents assigned to Toyo Boseki?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.