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Top 5 Key Players companies in Barrer
by Most Patent Filings in the Japan in 2019

The Barrer top 5 is Discovery PatSnap’ annual ranking of the top 5 Most Patent Filings Barrer Key Players in the Japan. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2019, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
Barrer is a non-SI unit of gas permeability (specifically, gas permeability) used in the membrane technology and contact lens industry. It is named after Richard Barrer.
Page generation time: Jun 24 2025