How many patents does Koizuka Yuusuke have in patentsdb?

Koizuka Yuusuke is linked to 74 publications as assignee in our database.

What technology areas does Koizuka Yuusuke patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (71); Operations & Transport (39); Cross-Sectional Technologies (13).

In our data, assignee counts were 5 in 2023 and 2 in 2024 (lower year over year).

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

Koizuka Yuusuke holds 74 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.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Chemistry & Metallurgy	71
Operations & Transport	39
Cross-Sectional Technologies	13
Textiles & Paper	3
Electricity	2
Physics	1

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

How many patents does Koizuka Yuusuke have in patentsdb?: Koizuka Yuusuke is linked to 74 publications as assignee in our database.
What technology areas does Koizuka Yuusuke patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (71); Operations & Transport (39); Cross-Sectional Technologies (13).
Is Koizuka Yuusuke's patent activity growing?: In our data, assignee counts were 5 in 2023 and 2 in 2024 (lower year over year).
What are recent patents assigned to Koizuka Yuusuke?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.