With the analysis among 53 patents, we discovered top 37 key players by total patent application. Sharp Corp., Mitsubishi Paper Mills Ltd., Oji Paper Co. Ltd. are dominant in this area. They take 16.98% of the total patent filing.
Toyama-ken, Japan
Patent: 3
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With the analysis among 2 patents, we discovered top 1 universities and scientific research institutions by total patent application.
Chiba-ken, Japan
Patent: 1