With the analysis among 46 patents, we discovered top 20 key players by total patent application. Pola Pharma, Inc., LEO Pharma A/S, Nihon Nohyaku Co., Ltd. are dominant in this area. They take 50.00% of the total patent filing.
Tokyo-to, Japan
Patent: 14
Hovedstaden, Denmark
Patent: 5
Shandong Sheng, China
Patent: 3
Illinois, United States
Patent: 1
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