How many patents does Chang Josephine Bea have in patentsdb?

Chang Josephine Bea is linked to 5 publications as assignee in our database.

What technology areas does Chang Josephine Bea patent most?

Top mapped technology areas by patent count: Electricity (5).

In our data, assignee counts were 4 in 2020 and 1 in 2021 (lower year over year).

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

Chang Josephine Bea holds 5 patents in our database, with recent filings and technology areas summarized below.

Year-over-year patent counts for this assignee.

Filing activity appears to be declining based on the most recent years.

Patents filed per year
Year	Patents
2020	4
2021	1

Browse patents by year
Year	Patents
2020	4
2021	1

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	5

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

How many patents does Chang Josephine Bea have in patentsdb?: Chang Josephine Bea is linked to 5 publications as assignee in our database.
What technology areas does Chang Josephine Bea patent most?: Top mapped technology areas by patent count: Electricity (5).
Is Chang Josephine Bea's patent activity growing?: In our data, assignee counts were 4 in 2020 and 1 in 2021 (lower year over year).
What are recent patents assigned to Chang Josephine Bea?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.