With the analysis among 67 patents, we discovered top 30 key players by total patent application. Kobelco Research Institute, Inc., Kobe Steel, Ltd., Shimazu KK are dominant in this area. They take 32.84% of the total patent filing.
Kagoshima-ken, Japan
Patent: 5
California, United States
Patent: 4
Illinois, United States
Patent: 3
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With the analysis among 7 patents, we discovered top 2 universities and scientific research institutions by total patent application.