How many patents does Yahoo Japan Corp have in patentsdb?

Yahoo Japan Corp is linked to 398 publications as assignee in our database.

What technology areas does Yahoo Japan Corp patent most?

Top mapped technology areas by patent count: Physics (318); Electricity (135); Operations & Transport (5).

In our data, assignee counts were 4 in 2024 and 3 in 2025 (lower year over year).

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

Yahoo Japan Corp holds 398 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.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Physics	318
Electricity	135
Operations & Transport	5
Human Necessities	3
Cross-Sectional Technologies	2

Free tools are coming soon. Tell us what you want to track and we'll notify you.

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

How many patents does Yahoo Japan Corp have in patentsdb?: Yahoo Japan Corp is linked to 398 publications as assignee in our database.
What technology areas does Yahoo Japan Corp patent most?: Top mapped technology areas by patent count: Physics (318); Electricity (135); Operations & Transport (5).
Is Yahoo Japan Corp's patent activity growing?: In our data, assignee counts were 4 in 2024 and 3 in 2025 (lower year over year).
What are recent patents assigned to Yahoo Japan Corp?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.