With the analysis among 179 patents, we discovered top 41 key players by total patent application. Elf Atochem North America, Inc., Solvay SA, SANYO Electric Co., Ltd. are dominant in this area. They take 32.96% of the total patent filing.
New York, United States
Patent: 24
Brussels Hoofdstedelijk Gewest, Belgium
Patent: 18
California, United States
Patent: 17
Delaware, United States
Patent: 14
Osaka-fu, Japan
Patent: 12
Tokyo-to, Japan
Patent: 10
Michigan, United States
Patent: 10
Pennsylvania, United States
Patent: 5
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With the analysis among 3 patents, we discovered top 1 universities and scientific research institutions by total patent application.