How many patents does Midorikawa Ruki have in patentsdb?

Midorikawa Ruki is linked to 31 publications as assignee in our database.

What technology areas does Midorikawa Ruki patent most?

Top mapped technology areas by patent count: Physics (21); Operations & Transport (20); Mechanical Engineering (4).

In our data, assignee counts were 6 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.

Midorikawa Ruki holds 31 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.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Physics	21
Operations & Transport	20
Mechanical Engineering	4
Cross-Sectional Technologies	4
Electricity	1

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

How many patents does Midorikawa Ruki have in patentsdb?: Midorikawa Ruki is linked to 31 publications as assignee in our database.
What technology areas does Midorikawa Ruki patent most?: Top mapped technology areas by patent count: Physics (21); Operations & Transport (20); Mechanical Engineering (4).
Is Midorikawa Ruki's patent activity growing?: In our data, assignee counts were 6 in 2024 and 3 in 2025 (lower year over year).
What are recent patents assigned to Midorikawa Ruki?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.