How many patents does Yuyama Mfg Co Ltd have in patentsdb?

Yuyama Mfg Co Ltd is linked to 211 publications as assignee in our database.

What technology areas does Yuyama Mfg Co Ltd patent most?

Top mapped technology areas by patent count: Operations & Transport (180); Human Necessities (172); Physics (160).

In our data, assignee counts were 12 in 2024 and 16 in 2025 (higher year over year).

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

Yuyama Mfg Co Ltd holds 211 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
Operations & Transport	180
Human Necessities	172
Physics	160
Electricity	17
Cross-Sectional Technologies	9

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

How many patents does Yuyama Mfg Co Ltd have in patentsdb?: Yuyama Mfg Co Ltd is linked to 211 publications as assignee in our database.
What technology areas does Yuyama Mfg Co Ltd patent most?: Top mapped technology areas by patent count: Operations & Transport (180); Human Necessities (172); Physics (160).
Is Yuyama Mfg Co Ltd's patent activity growing?: In our data, assignee counts were 12 in 2024 and 16 in 2025 (higher year over year).
What are recent patents assigned to Yuyama Mfg Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.