How many patents does Yamada Masamichi have in patentsdb?

Yamada Masamichi is linked to 55 publications as assignee in our database.

What technology areas does Yamada Masamichi patent most?

Top mapped technology areas by patent count: Physics (51); Electricity (36); Mechanical Engineering (6).

In our data, assignee counts were 2 in 2024 and 1 in 2025 (lower year over year).

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

Yamada Masamichi holds 55 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.

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

How many patents does Yamada Masamichi have in patentsdb?: Yamada Masamichi is linked to 55 publications as assignee in our database.
What technology areas does Yamada Masamichi patent most?: Top mapped technology areas by patent count: Physics (51); Electricity (36); Mechanical Engineering (6).
Is Yamada Masamichi's patent activity growing?: In our data, assignee counts were 2 in 2024 and 1 in 2025 (lower year over year).
What are recent patents assigned to Yamada Masamichi?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.