How many patents does Nihon Dempa Kogyo Co have in patentsdb?

Nihon Dempa Kogyo Co is linked to 309 publications as assignee in our database.

What technology areas does Nihon Dempa Kogyo Co patent most?

Top mapped technology areas by patent count: Electricity (267); Physics (69); Human Necessities (15).

In our data, assignee counts were 5 in 2024 and 13 in 2025 (higher year over year).

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

Nihon Dempa Kogyo Co holds 309 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
Electricity	267
Physics	69
Human Necessities	15
Operations & Transport	11
Cross-Sectional Technologies	8
Chemistry & Metallurgy	7
Mechanical Engineering	2

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

How many patents does Nihon Dempa Kogyo Co have in patentsdb?: Nihon Dempa Kogyo Co is linked to 309 publications as assignee in our database.
What technology areas does Nihon Dempa Kogyo Co patent most?: Top mapped technology areas by patent count: Electricity (267); Physics (69); Human Necessities (15).
Is Nihon Dempa Kogyo Co's patent activity growing?: In our data, assignee counts were 5 in 2024 and 13 in 2025 (higher year over year).
What are recent patents assigned to Nihon Dempa Kogyo Co?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.