Tdk Corp patents

Tdk Corp holds 6,938 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents6,938
Recent patents2,062
First publicationJan 1, 2015
Latest publicationApr 9, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
2015345
2016333
2017421
2018507
2019713
2020750
2021681
2022759
2023806
2024676
2025769
2026178
Browse patents by year
YearPatents
2015345
2016333
2017421
2018507
2019713
2020750
2021681
2022759
2023806
2024676
2025769
2026178

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Top CPC classifications

Most common classification codes in this portfolio.

Top CPC codes by patent count
CPCPatents
H10N50/10803
H01F27/292725
H01G4/30625
G01R33/093622
H01F17/0013565

Technology areas

Mapped technology topics for this assignee.

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Frequently asked questions

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

How many patents does Tdk Corp have in patentsdb?
Tdk Corp is linked to 6,938 publications as assignee in our database.
What technology areas does Tdk Corp patent most?
Top mapped technology areas by patent count: Electricity (5,621); Physics (2,404); Chemistry & Metallurgy (1,024).
Is Tdk Corp's patent activity growing?
In our data, assignee counts were 676 in 2024 and 769 in 2025 (higher year over year).
What are recent patents assigned to Tdk Corp?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.