With the analysis among 238 patents, we discovered top 33 key players by total patent application. Asahi Kasei Corp., Terumo Corp., Akzo Nobel NV are dominant in this area. They take 24.79% of the total patent filing.
Tokyo-to, Japan
Patent: 22
Tokyo-to, Japan
Patent: 20
Noord-Holland, Netherlands
Patent: 17
Hessen, Germany
Patent: 16
Nordrhein-Westfalen, Germany
Patent: 7
Pennsylvania, United States
Patent: 4
Delaware, United States
Patent: 4
Asahi Chemical Industry Co., Ltd.
Texas, United States
Patent: 3
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