How many patents does Hiratsuka Hiroyuki have in patentsdb?

Hiratsuka Hiroyuki is linked to 21 publications as assignee in our database.

What technology areas does Hiratsuka Hiroyuki patent most?

Top mapped technology areas by patent count: Operations & Transport (17); Electricity (6); Physics (3).

In our data, assignee counts were 1 in 2024 and 2 in 2025 (higher year over year).

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

Hiratsuka Hiroyuki holds 21 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 stable.

Latest publications where this party is an assignee.

Representative or frequently cited publications from precomputed assignee stats.

Mapped technology topics for this assignee.

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

How many patents does Hiratsuka Hiroyuki have in patentsdb?: Hiratsuka Hiroyuki is linked to 21 publications as assignee in our database.
What technology areas does Hiratsuka Hiroyuki patent most?: Top mapped technology areas by patent count: Operations & Transport (17); Electricity (6); Physics (3).
Is Hiratsuka Hiroyuki's patent activity growing?: In our data, assignee counts were 1 in 2024 and 2 in 2025 (higher year over year).
What are recent patents assigned to Hiratsuka Hiroyuki?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.