With the analysis among 29 patents, we discovered top 28 key players by total patent application. Toyobo Co., Ltd., Chi Mei Corp., Teijin Fibers Ltd. are dominant in this area. They take 24.14% of the total patent filing.
Taiwan Province, China
Patent: 2
Texas, United States
Patent: 1
Fukushima-ken, Japan
Patent: 1
Sumitomo Chemical Co., Ltd.
China Petroleum & Chemical Corp.
Beijing Shi, China
Patent: 1
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