Bulgaria vs Norway: Annual patents filed for energy storage technologies
Bulgaria
2 patents
in 2023
Norway
2 patents
in 2025
Bulgaria rank
30th
Norway rank
30th
Annual patents filed for energy storage technologies over time
- Bulgaria
- Norway
How they compare
Bulgaria currently reports 2 patents against 2 patents in Norway, a difference of 0 patents.
Across all 10 years both countries report, Norway has been ahead every year.
Bulgaria ranks 30th and Norway ranks 30th of 58 countries.
Norway has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Bulgaria | Norway | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 1.33 patents | 14.67 patents | 13.33 patents | Norway |
| 2010s | 1.2 patents | 3.8 patents | 2.6 patents | Norway |
| 2020s | 1.5 patents | 8 patents | 6.5 patents | Norway |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual patents filed for energy storage technologies, Bulgaria or Norway?
- Bulgaria, at 2 patents against 2 patents in Norway as of 2023.
- What is the difference in annual patents filed for energy storage technologies between Bulgaria and Norway?
- 0 patents, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Norway?
- 10 years are reported by both, from 2000 to 2023.
- How do Bulgaria and Norway rank globally for annual patents filed for energy storage technologies?
- Bulgaria ranks 30th and Norway ranks 30th of 58 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 energy storage technologies. 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.