PatentsDB

Tokyo Electric Power Co Holdings Inc patents

Tokyo Electric Power Co Holdings Inc holds 21 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents21
Recent patents3
First publicationAug 3, 2017
Latest publicationJul 24, 2025

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20171
20183
20192
20206
20212
20223
20231
20241
20252
Browse patents by year
YearPatents
20171
20183
20192
20206
20212
20223
20231
20241
20252

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Technology areas

Mapped technology topics for this assignee.

Company technology slices
TechnologyPatents
Electricity17
Cross-Sectional Technologies11
Physics8
Mechanical Engineering2

Frequently asked questions

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

How many patents does Tokyo Electric Power Co Holdings Inc have in patentsdb?
Tokyo Electric Power Co Holdings Inc is linked to 21 publications as assignee in our database.
What technology areas does Tokyo Electric Power Co Holdings Inc patent most?
Top mapped technology areas by patent count: Electricity (17); Cross-Sectional Technologies (11); Physics (8).
Is Tokyo Electric Power Co Holdings Inc's patent activity growing?
In our data, assignee counts were 1 in 2024 and 2 in 2025 (higher year over year).
What are recent patents assigned to Tokyo Electric Power Co Holdings Inc?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.