Hong Kong, China vs Portugal: Annual patents filed for renewable energy technologies
Hong Kong, China
3 patents
in 2019
Portugal
3 patents
in 2022
Hong Kong, China rank
30th
Portugal rank
30th
Annual patents filed for renewable energy technologies over time
- Hong Kong, China
- Portugal
How they compare
Hong Kong, China currently reports 3 patents against 3 patents in Portugal, a difference of 0 patents.
The two have swapped places 11 times across 19 shared years of data; in 2000 it was Hong Kong, China ahead.
Hong Kong, China ranks 30th and Portugal ranks 30th of 64 countries.
Across the 2 decades both report, Hong Kong, China averaged higher in 1 and Portugal in 1.
Head to head by decade
| Decade | Hong Kong, China | Portugal | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 14.9 patents | 17.1 patents | 2.2 patents | Portugal |
| 2010s | 45.33 patents | 32 patents | 13.33 patents | Hong Kong, China |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual patents filed for renewable energy technologies, Hong Kong, China or Portugal?
- Hong Kong, China, at 3 patents against 3 patents in Portugal as of 2019.
- What is the difference in annual patents filed for renewable energy technologies between Hong Kong, China and Portugal?
- 0 patents, with Hong Kong, China ahead.
- How many years of comparable data are there for Hong Kong, China and Portugal?
- 19 years are reported by both, from 2000 to 2019.
- How do Hong Kong, China and Portugal rank globally for annual patents filed for renewable energy technologies?
- Hong Kong, China ranks 30th and Portugal ranks 30th 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.