Japan vs United States of America: Annual patents filed for renewable energy technologies
Japan
79 patents
in 2024
United States of America
225 patents
in 2024
Japan rank
4th
United States of America rank
2nd
Annual patents filed for renewable energy technologies over time
- Japan
- United States of America
How they compare
United States of America currently reports 225 patents against 79 patents in Japan, a difference of 146 patents.
That makes United States of America's figure about 2.8 times Japan's.
The two have swapped places 3 times across 25 shared years of data; in 2000 it was Japan ahead.
Japan ranks 4th and United States of America ranks 2nd of 64 countries.
Across the 3 decades both report, Japan averaged higher in 1 and United States of America in 2.
Head to head by decade
| Decade | Japan | United States of America | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 1,900 patents | 1,436 patents | 464 patents | Japan |
| 2010s | 3,555 patents | 4,630 patents | 1,074 patents | United States of America |
| 2020s | 840.6 patents | 2,153 patents | 1,312 patents | United States of America |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual patents filed for renewable energy technologies, Japan or United States of America?
- United States of America, at 225 patents against 79 patents in Japan as of 2024.
- What is the difference in annual patents filed for renewable energy technologies between Japan and United States of America?
- 146 patents, with United States of America ahead.
- How many years of comparable data are there for Japan and United States of America?
- 25 years are reported by both, from 2000 to 2024.
- How do Japan and United States of America rank globally for annual patents filed for renewable energy technologies?
- Japan ranks 4th and United States of America ranks 2nd of 64 countries.
- Where does this data come from?
- IRENA - INSPIRE Platform (2025) – with major processing by Our World in Data, published as Annual patents filed for renewable energy technologies. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Data only includes energy source technologies, and excludes technologies such as energy storage or transport. Figures in recent years are subject to a time lag; submitted patents may not yet be reflected in the data.