How many patents does Naijo Yoshihisa have in patentsdb?

Naijo Yoshihisa is linked to 27 publications as assignee in our database.

What technology areas does Naijo Yoshihisa patent most?

Top mapped technology areas by patent count: Physics (24); Chemistry & Metallurgy (8); Human Necessities (5).

In our data, assignee counts were 2 in 2022 and 2 in 2024 (similar year over year).

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

Naijo Yoshihisa holds 27 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	24
Chemistry & Metallurgy	8
Human Necessities	5
Operations & Transport	4
Cross-Sectional Technologies	4
Electricity	2

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

How many patents does Naijo Yoshihisa have in patentsdb?: Naijo Yoshihisa is linked to 27 publications as assignee in our database.
What technology areas does Naijo Yoshihisa patent most?: Top mapped technology areas by patent count: Physics (24); Chemistry & Metallurgy (8); Human Necessities (5).
Is Naijo Yoshihisa's patent activity growing?: In our data, assignee counts were 2 in 2022 and 2 in 2024 (similar year over year).
What are recent patents assigned to Naijo Yoshihisa?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.