With the analysis among 553 patents, we discovered top 211 key players by total patent application. Puyang Hongye Environment Protection New Materials Co., Ltd., Tokai Denka Kogyo KK, Eastman Kodak Co. are dominant in this area. They take 14.10% of the total patent filing.
Henan Sheng, China
Patent: 33
New York, United States
Patent: 21
Tokyo-to, Japan
Patent: 18
Tokyo-to, Japan
Patent: 11
Aichi-ken, Japan
Patent: 8
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With the analysis among related 131 patents applied in the last 5 years. We discover 91 most active companies in this area. The fast-growing Puyang Hongye Environment Protection New Materials Co., Ltd., Kyoeisha Chemical Co., Ltd., Wuhan Textile University take 23.66% of patent filing during this period.
Henan Sheng, China
Patent: 18
Hubei Sheng, China
Patent: 6
Henan Sheng, China
Patent: 5
Kanagawa-ken, Japan
Patent: 5
Henan Sheng, China
Patent: 5
Anhui Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
With the analysis among related 131 patents in last 5 years, we discover 83 new entrants. Kyoeisha Chemical Co., Ltd., Wuhan Textile University, Puyang Hongye Environmental Tech Research Institute Co., Ltd. are the most active new entrants in this area.
Hubei Sheng, China
Patent: 6
Henan Sheng, China
Patent: 5
Kanagawa-ken, Japan
Patent: 5
Henan Sheng, China
Patent: 5
Anhui Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
Kanagawa-ken, Japan
Patent: 2
With the analysis among 86 patents, we discovered top 39 universities and scientific research institutions by total patent application. Zhejiang Sci-Tech University, Wuhan Textile University, Henan Institute of Engineering are dominant in this area. They take 22.09% of the total patent filing.
Zhejiang Sheng, China
Patent: 8
Hubei Sheng, China
Patent: 6
Henan Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 2
Tianjin Shi, China
Patent: 2
Jiangxi Sheng, China
Patent: 2
Guizhou Sheng, China
Patent: 2
Tianjin Shi, China
Patent: 2
Shandong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2