How many patents does Panasonic Energy Co Ltd have in patentsdb?

Panasonic Energy Co Ltd is linked to 307 publications as assignee in our database.

What technology areas does Panasonic Energy Co Ltd patent most?

Top mapped technology areas by patent count: Electricity (305); Cross-Sectional Technologies (302); Chemistry & Metallurgy (27).

In our data, assignee counts were 120 in 2024 and 145 in 2025 (higher year over year).

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

Panasonic Energy Co Ltd holds 307 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 growing based on the most recent years.

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
Electricity	305
Cross-Sectional Technologies	302
Chemistry & Metallurgy	27
Operations & Transport	17
Physics	11
Mechanical Engineering	2
Human Necessities	1

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

How many patents does Panasonic Energy Co Ltd have in patentsdb?: Panasonic Energy Co Ltd is linked to 307 publications as assignee in our database.
What technology areas does Panasonic Energy Co Ltd patent most?: Top mapped technology areas by patent count: Electricity (305); Cross-Sectional Technologies (302); Chemistry & Metallurgy (27).
Is Panasonic Energy Co Ltd's patent activity growing?: In our data, assignee counts were 120 in 2024 and 145 in 2025 (higher year over year).
What are recent patents assigned to Panasonic Energy Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.