Japan vs Korea: Environment-related technologies patents — Patent applications

Japan
15,250 Patents
in 2023
Korea
10,699 Patents
in 2023
Japan rank
3rd
Korea rank
2nd

Environment-related technologies patents — Patent applications over time

  • Japan
  • Korea
05.0k10.0k15.0k20.0k25.0k197820002023

How they compare

Japan currently reports 15,250 Patents against 10,699 Patents in Korea, a difference of 4,551 Patents.

That makes Japan's figure about 1.4 times Korea's.

Across all 46 years both countries report, Japan has been ahead every year.

Japan ranks 3rd and Korea ranks 2nd of 88 countries.

Japan has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade Japan Korea Difference Ahead
1970s 395.46 Patents 0 Patents 395.46 Patents Japan
1980s 5,879 Patents 11.8 Patents 5,868 Patents Japan
1990s 13,013 Patents 400.12 Patents 12,613 Patents Japan
2000s 21,709 Patents 3,472 Patents 18,237 Patents Japan
2010s 21,813 Patents 6,977 Patents 14,836 Patents Japan
2020s 19,033 Patents 10,503 Patents 8,530 Patents Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher environment-related technologies patents — patent applications, Japan or Korea?
Japan, at 15,250 Patents against 10,699 Patents in Korea as of 2023.
What is the difference in environment-related technologies patents — patent applications between Japan and Korea?
4,551 Patents, with Japan ahead.
How many years of comparable data are there for Japan and Korea?
46 years are reported by both, from 1978 to 2023.
How do Japan and Korea rank globally for environment-related technologies patents — patent applications?
Japan ranks 3rd and Korea ranks 2nd of 88 countries.
Where does this data come from?
Organisation for Economic Co-operation and Development, published as Environment-related technologies patents — Patent applications. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Japan vs Korea: Environment-related technologies patents — Patent applications. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 22 August 2026, from https://environment.statizoid.com/compare/environment-related-technologies-patents-patent-applications/japan/korea/

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About this data

Indicator
Environment-related technologies patents — Patent applications
Unit
Patents
Source
Organisation for Economic Co-operation and Development
Licence
OECD Terms and Conditions (attribution required)
Coverage
104 places, 4,784 data points, 1978–2023
Last refreshed

To identify patents in environment-related technologies (ENV-TECH), detailed search strategies have been developed drawing on more than 200,000 classification symbols. The search strategies encompass a broad spectrum of technologies related to environmental pollution, water scarcity, climate change mitigation.