How many patents does Douglas Robert Edwin have in patentsdb?

Douglas Robert Edwin is linked to 83 publications as assignee in our database.

What technology areas does Douglas Robert Edwin patent most?

Top mapped technology areas by patent count: Physics (80); Human Necessities (37); Electricity (21).

In our data, assignee counts were 5 in 2024 and 1 in 2025 (lower year over year).

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

Douglas Robert Edwin holds 83 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 declining.

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
Physics	80
Human Necessities	37
Electricity	21
Operations & Transport	6
Cross-Sectional Technologies	2

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

How many patents does Douglas Robert Edwin have in patentsdb?: Douglas Robert Edwin is linked to 83 publications as assignee in our database.
What technology areas does Douglas Robert Edwin patent most?: Top mapped technology areas by patent count: Physics (80); Human Necessities (37); Electricity (21).
Is Douglas Robert Edwin's patent activity growing?: In our data, assignee counts were 5 in 2024 and 1 in 2025 (lower year over year).
What are recent patents assigned to Douglas Robert Edwin?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.