Japan vs Republic of Korea: Annual patents filed in sustainable energy
Japan
1,611 patents
in 2024
Republic of Korea
400 patents
in 2024
Japan rank
3rd
Republic of Korea rank
5th
Annual patents filed in sustainable energy over time
- Japan
- Republic of Korea
How they compare
Japan currently reports 1,611 patents against 400 patents in Republic of Korea, a difference of 1,211 patents.
That makes Japan's figure about 4.0 times Republic of Korea's.
Across all 25 years both countries report, Japan has been ahead every year.
Japan ranks 3rd and Republic of Korea ranks 5th of 74 countries.
Japan has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Japan | Republic of Korea | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 16,943 patents | 5,764 patents | 11,179 patents | Japan |
| 2010s | 25,788 patents | 16,682 patents | 9,106 patents | Japan |
| 2020s | 14,678 patents | 11,532 patents | 3,146 patents | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual patents filed in sustainable energy, Japan or Republic of Korea?
- Japan, at 1,611 patents against 400 patents in Republic of Korea as of 2024.
- What is the difference in annual patents filed in sustainable energy between Japan and Republic of Korea?
- 1,211 patents, with Japan ahead.
- How many years of comparable data are there for Japan and Republic of Korea?
- 25 years are reported by both, from 2000 to 2024.
- How do Japan and Republic of Korea rank globally for annual patents filed in sustainable energy?
- Japan ranks 3rd and Republic of Korea ranks 5th of 74 countries.
- Where does this data come from?
- IRENA - INSPIRE Platform (2025) – with major processing by Our World in Data, published as Annual patents filed in sustainable energy. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Figures in recent years are subject to a time lag; submitted patents may not yet be reflected in the data.