How many patents does Ishii Masayuki have in patentsdb?

Ishii Masayuki is linked to 13 publications as assignee in our database.

What technology areas does Ishii Masayuki patent most?

Top mapped technology areas by patent count: Physics (13); Electricity (2); Cross-Sectional Technologies (2).

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

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

Ishii Masayuki holds 13 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.

Company technology slices
Technology	Patents
Physics	13
Electricity	2
Cross-Sectional Technologies	2

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

How many patents does Ishii Masayuki have in patentsdb?: Ishii Masayuki is linked to 13 publications as assignee in our database.
What technology areas does Ishii Masayuki patent most?: Top mapped technology areas by patent count: Physics (13); Electricity (2); Cross-Sectional Technologies (2).
Is Ishii Masayuki's patent activity growing?: In our data, assignee counts were 2 in 2024 and 2 in 2025 (similar year over year).
What are recent patents assigned to Ishii Masayuki?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.