How many patents does Yamaichi Electronics Co Ltd have in patentsdb?

Yamaichi Electronics Co Ltd is linked to 145 publications as assignee in our database.

What technology areas does Yamaichi Electronics Co Ltd patent most?

Top mapped technology areas by patent count: Electricity (115); Physics (68); Operations & Transport (3).

In our data, assignee counts were 18 in 2024 and 31 in 2025 (higher year over year).

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

Yamaichi Electronics Co Ltd holds 145 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 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
Electricity	115
Physics	68
Operations & Transport	3
Mechanical Engineering	2
Cross-Sectional Technologies	2

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

How many patents does Yamaichi Electronics Co Ltd have in patentsdb?: Yamaichi Electronics Co Ltd is linked to 145 publications as assignee in our database.
What technology areas does Yamaichi Electronics Co Ltd patent most?: Top mapped technology areas by patent count: Electricity (115); Physics (68); Operations & Transport (3).
Is Yamaichi Electronics Co Ltd's patent activity growing?: In our data, assignee counts were 18 in 2024 and 31 in 2025 (higher year over year).
What are recent patents assigned to Yamaichi Electronics Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.