How many patents does Yachiyo Ind Co Ltd have in patentsdb?

Yachiyo Ind Co Ltd is linked to 158 publications as assignee in our database.

What technology areas does Yachiyo Ind Co Ltd patent most?

Top mapped technology areas by patent count: Operations & Transport (149); Mechanical Engineering (56); Cross-Sectional Technologies (20).

In our data, assignee counts were 18 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.

Yachiyo Ind Co Ltd holds 158 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 growing.

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	149
Mechanical Engineering	56
Cross-Sectional Technologies	20
Fixed Constructions	16
Physics	2
Textiles & Paper	1

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

How many patents does Yachiyo Ind Co Ltd have in patentsdb?: Yachiyo Ind Co Ltd is linked to 158 publications as assignee in our database.
What technology areas does Yachiyo Ind Co Ltd patent most?: Top mapped technology areas by patent count: Operations & Transport (149); Mechanical Engineering (56); Cross-Sectional Technologies (20).
Is Yachiyo Ind Co Ltd's patent activity growing?: In our data, assignee counts were 18 in 2024 and 15 in 2025 (lower year over year).
What are recent patents assigned to Yachiyo Ind Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.