How many patents does Hamamatsu Photonics Kk have in patentsdb?

Hamamatsu Photonics Kk is linked to 3,525 publications as assignee in our database.

What technology areas does Hamamatsu Photonics Kk patent most?

Top mapped technology areas by patent count: Physics (2,275); Electricity (1,838); Operations & Transport (646).

In our data, assignee counts were 381 in 2024 and 329 in 2025 (lower year over year).

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

Hamamatsu Photonics Kk holds 3,525 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
Physics	2,275
Electricity	1,838
Operations & Transport	646
Human Necessities	237
Chemistry & Metallurgy	218
Cross-Sectional Technologies	131
Mechanical Engineering	41

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

How many patents does Hamamatsu Photonics Kk have in patentsdb?: Hamamatsu Photonics Kk is linked to 3,525 publications as assignee in our database.
What technology areas does Hamamatsu Photonics Kk patent most?: Top mapped technology areas by patent count: Physics (2,275); Electricity (1,838); Operations & Transport (646).
Is Hamamatsu Photonics Kk's patent activity growing?: In our data, assignee counts were 381 in 2024 and 329 in 2025 (lower year over year).
What are recent patents assigned to Hamamatsu Photonics Kk?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.