How many patents does Ma Beihai have in patentsdb?

Ma Beihai is linked to 11 publications as assignee in our database.

What technology areas does Ma Beihai patent most?

Top mapped technology areas by patent count: Electricity (10); Chemistry & Metallurgy (8); Cross-Sectional Technologies (7).

In our data, assignee counts were 2 in 2018 and 1 in 2024 (lower year over year).

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

Ma Beihai holds 11 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 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
Electricity	10
Chemistry & Metallurgy	8
Cross-Sectional Technologies	7
Operations & Transport	2

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

How many patents does Ma Beihai have in patentsdb?: Ma Beihai is linked to 11 publications as assignee in our database.
What technology areas does Ma Beihai patent most?: Top mapped technology areas by patent count: Electricity (10); Chemistry & Metallurgy (8); Cross-Sectional Technologies (7).
Is Ma Beihai's patent activity growing?: In our data, assignee counts were 2 in 2018 and 1 in 2024 (lower year over year).
What are recent patents assigned to Ma Beihai?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.