How many patents does Yamaguchi Hiroshi have in patentsdb?

Yamaguchi Hiroshi is linked to 32 publications as assignee in our database.

What technology areas does Yamaguchi Hiroshi patent most?

Top mapped technology areas by patent count: Human Necessities (13); Physics (13); Electricity (10).

In our data, assignee counts were 1 in 2021 and 1 in 2023 (similar year over year).

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

Yamaguchi Hiroshi holds 32 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.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Human Necessities	13
Physics	13
Electricity	10
Operations & Transport	7
Cross-Sectional Technologies	3
Chemistry & Metallurgy	3
Mechanical Engineering	1

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

How many patents does Yamaguchi Hiroshi have in patentsdb?: Yamaguchi Hiroshi is linked to 32 publications as assignee in our database.
What technology areas does Yamaguchi Hiroshi patent most?: Top mapped technology areas by patent count: Human Necessities (13); Physics (13); Electricity (10).
Is Yamaguchi Hiroshi's patent activity growing?: In our data, assignee counts were 1 in 2021 and 1 in 2023 (similar year over year).
What are recent patents assigned to Yamaguchi Hiroshi?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.