Hong Kong vs Portugal: Annual patents filed for carbon capture and storage technologies

Hong Kong
4 patents
in 2019
Portugal
4 patents
in 2021
Hong Kong rank
11th
Portugal rank
11th

Annual patents filed for carbon capture and storage technologies over time

  • Hong Kong
  • Portugal
0246810200020102021

How they compare

Hong Kong currently reports 4 patents against 4 patents in Portugal, a difference of 0 patents.

The two have swapped places 4 times across 16 shared years of data; in 2000 it was Portugal ahead.

Hong Kong ranks 11th and Portugal ranks 11th of 55 countries.

Portugal has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade Hong Kong Portugal Difference Ahead
2000s 2 patents 3.14 patents 1.14 patents Portugal
2010s 5.33 patents 6 patents 0.6667 patents Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher annual patents filed for carbon capture and storage technologies, Hong Kong or Portugal?
Hong Kong, at 4 patents against 4 patents in Portugal as of 2019.
What is the difference in annual patents filed for carbon capture and storage technologies between Hong Kong and Portugal?
0 patents, with Hong Kong ahead.
How many years of comparable data are there for Hong Kong and Portugal?
16 years are reported by both, from 2000 to 2019.
How do Hong Kong and Portugal rank globally for annual patents filed for carbon capture and storage technologies?
Hong Kong ranks 11th and Portugal ranks 11th of 55 countries.
Where does this data come from?
IRENA – INSPIRE Platform (2026) – with major processing by Our World in Data, published as Annual patents filed for carbon capture and storage technologies. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Hong Kong vs Portugal: Annual patents filed for carbon capture and storage technologies. Statizoid, drawing on IRENA – INSPIRE Platform (2026) – with major processing by Our World in Data. Retrieved 24 September 2026, from https://science-tech.statizoid.com/compare/patents-ccs/hong-kong-sar-china/portugal/

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About this data

Indicator
Annual patents filed for carbon capture and storage technologies
Unit
patents
Source
IRENA – INSPIRE Platform (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
55 places, 970 data points, 2000–2025
Last refreshed

Figures in recent years are subject to a time lag; submitted patents may not yet be reflected in the data.