How many patents does Seoyon E Hwa Co Ltd have in patentsdb?

Seoyon E Hwa Co Ltd is linked to 156 publications as assignee in our database.

What technology areas does Seoyon E Hwa Co Ltd patent most?

Top mapped technology areas by patent count: Operations & Transport (146); Electricity (51); Physics (45).

In our data, assignee counts were 33 in 2024 and 18 in 2025 (lower year over year).

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

Seoyon E Hwa Co Ltd holds 156 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.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Operations & Transport	146
Electricity	51
Physics	45
Cross-Sectional Technologies	17
Mechanical Engineering	15
Chemistry & Metallurgy	10
Fixed Constructions	9
Human Necessities	9
Textiles & Paper	6

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

How many patents does Seoyon E Hwa Co Ltd have in patentsdb?: Seoyon E Hwa Co Ltd is linked to 156 publications as assignee in our database.
What technology areas does Seoyon E Hwa Co Ltd patent most?: Top mapped technology areas by patent count: Operations & Transport (146); Electricity (51); Physics (45).
Is Seoyon E Hwa Co Ltd's patent activity growing?: In our data, assignee counts were 33 in 2024 and 18 in 2025 (lower year over year).
What are recent patents assigned to Seoyon E Hwa Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.