How many patents does Dorco Co Ltd have in patentsdb?

Dorco Co Ltd is linked to 295 publications as assignee in our database.

What technology areas does Dorco Co Ltd patent most?

Top mapped technology areas by patent count: Operations & Transport (212); Chemistry & Metallurgy (16); Human Necessities (10).

In our data, assignee counts were 43 in 2024 and 35 in 2025 (lower year over year).

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

Dorco Co Ltd holds 295 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	212
Chemistry & Metallurgy	16
Human Necessities	10
Cross-Sectional Technologies	5
Mechanical Engineering	2

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

How many patents does Dorco Co Ltd have in patentsdb?: Dorco Co Ltd is linked to 295 publications as assignee in our database.
What technology areas does Dorco Co Ltd patent most?: Top mapped technology areas by patent count: Operations & Transport (212); Chemistry & Metallurgy (16); Human Necessities (10).
Is Dorco Co Ltd's patent activity growing?: In our data, assignee counts were 43 in 2024 and 35 in 2025 (lower year over year).
What are recent patents assigned to Dorco Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.