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Top 10 Startups & Unicorns companies in Alternator
by Most Patent Filings in the world in 2021

The Alternator top 10 is Discovery PatSnap’ annual ranking of the top 10 Most Patent Filings Alternator Startups & Unicorns in the world. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2021, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
Page generation time: Jun 26 2025