How many patents does Yoshino Kogyosho Co Ltd have in patentsdb?

Yoshino Kogyosho Co Ltd is linked to 456 publications as assignee in our database.

What technology areas does Yoshino Kogyosho Co Ltd patent most?

Top mapped technology areas by patent count: Operations & Transport (441); Human Necessities (38); Cross-Sectional Technologies (24).

In our data, assignee counts were 23 in 2024 and 15 in 2025 (lower year over year).

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

Yoshino Kogyosho Co Ltd holds 456 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 rapidly 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
Operations & Transport	441
Human Necessities	38
Cross-Sectional Technologies	24
Mechanical Engineering	23
Chemistry & Metallurgy	4
Physics	2

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

How many patents does Yoshino Kogyosho Co Ltd have in patentsdb?: Yoshino Kogyosho Co Ltd is linked to 456 publications as assignee in our database.
What technology areas does Yoshino Kogyosho Co Ltd patent most?: Top mapped technology areas by patent count: Operations & Transport (441); Human Necessities (38); Cross-Sectional Technologies (24).
Is Yoshino Kogyosho Co Ltd's patent activity growing?: In our data, assignee counts were 23 in 2024 and 15 in 2025 (lower year over year).
What are recent patents assigned to Yoshino Kogyosho Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.