How many patents does A&D Co Ltd have in patentsdb?

A&D Co Ltd is linked to 125 publications as assignee in our database.

What technology areas does A&D Co Ltd patent most?

Top mapped technology areas by patent count: Physics (110); Operations & Transport (17); Human Necessities (13).

In our data, assignee counts were 14 in 2024 and 12 in 2025 (lower year over year).

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

A&D Co Ltd holds 125 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
Physics	110
Operations & Transport	17
Human Necessities	13
Fixed Constructions	10
Electricity	7
Mechanical Engineering	2
Cross-Sectional Technologies	2

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

How many patents does A&D Co Ltd have in patentsdb?: A&D Co Ltd is linked to 125 publications as assignee in our database.
What technology areas does A&D Co Ltd patent most?: Top mapped technology areas by patent count: Physics (110); Operations & Transport (17); Human Necessities (13).
Is A&D Co Ltd's patent activity growing?: In our data, assignee counts were 14 in 2024 and 12 in 2025 (lower year over year).
What are recent patents assigned to A&D Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.