How many patents does Ishizuka Yusuke have in patentsdb?

Ishizuka Yusuke is linked to 31 publications as assignee in our database.

What technology areas does Ishizuka Yusuke patent most?

Top mapped technology areas by patent count: Physics (31); Operations & Transport (2).

In our data, assignee counts were 3 in 2024 and 2 in 2025 (lower year over year).

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

Ishizuka Yusuke 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 growing.

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	31
Operations & Transport	2

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

How many patents does Ishizuka Yusuke have in patentsdb?: Ishizuka Yusuke is linked to 31 publications as assignee in our database.
What technology areas does Ishizuka Yusuke patent most?: Top mapped technology areas by patent count: Physics (31); Operations & Transport (2).
Is Ishizuka Yusuke's patent activity growing?: In our data, assignee counts were 3 in 2024 and 2 in 2025 (lower year over year).
What are recent patents assigned to Ishizuka Yusuke?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.