How many patents does Japan Aerospace Exploration have in patentsdb?

Japan Aerospace Exploration is linked to 319 publications as assignee in our database.

What technology areas does Japan Aerospace Exploration patent most?

Top mapped technology areas by patent count: Operations & Transport (161); Physics (121); Cross-Sectional Technologies (97).

In our data, assignee counts were 38 in 2024 and 31 in 2025 (lower year over year).

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

Japan Aerospace Exploration holds 319 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.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Operations & Transport	161
Physics	121
Cross-Sectional Technologies	97
Electricity	92
Mechanical Engineering	76
Chemistry & Metallurgy	39
Human Necessities	15
Textiles & Paper	4

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

How many patents does Japan Aerospace Exploration have in patentsdb?: Japan Aerospace Exploration is linked to 319 publications as assignee in our database.
What technology areas does Japan Aerospace Exploration patent most?: Top mapped technology areas by patent count: Operations & Transport (161); Physics (121); Cross-Sectional Technologies (97).
Is Japan Aerospace Exploration's patent activity growing?: In our data, assignee counts were 38 in 2024 and 31 in 2025 (lower year over year).
What are recent patents assigned to Japan Aerospace Exploration?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.