With the analysis among 158 patents, we discovered top 56 key players by total patent application. Hoechst AG, Union Carbide Corp., Liuzhou Yinghang Auto Parts Co., Ltd. are dominant in this area. They take 22.15% of the total patent filing.
Hessen, Germany
Patent: 18
Wisconsin, United States
Patent: 9
Guangxi Zhuangzu Zizhiqu, China
Patent: 8
Delaware, United States
Patent: 5
Michigan, United States
Patent: 4
Illinois, United States
Patent: 4
Guangxi Zhuangzu Zizhiqu, China
Patent: 4
Pennsylvania, United States
Patent: 3
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With the analysis among related 4 patents applied in the last 5 years. We discover 4 most active companies in this area. The fast-growing Anhui Weiwei Environmental Protection Technology Co., Ltd., Wuhu Tianke Biotechnology Co., Ltd., Anhui Jingde Feixun Safety Equipment Co., Ltd. take 75.00% of patent filing during this period.
Anhui Sheng, China
Patent: 1
Anhui Sheng, China
Patent: 1
Anhui Sheng, China
Patent: 1
Anhui Sheng, China
Patent: 1
With the analysis among related 4 patents in last 5 years, we discover 3 new entrants.
Anhui Sheng, China
Patent: 1
Anhui Sheng, China
Patent: 1
Anhui Sheng, China
Patent: 1
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