With the analysis among 173,848 patents, we discovered top 481 key players by total patent application. Kurita Water Industries Ltd., Kubota Corp., Ebara Corp. are dominant in this area. They take 2.35% of the total patent filing.
Rheinland-Pfalz, Germany
Patent: 1,707
Osaka-fu, Japan
Patent: 1,409
Shandong Sheng, China
Patent: 970
Tokyo-to, Japan
Patent: 864
Mitsubishi Heavy Industries, Ltd.
Tokyo-to, Japan
Patent: 788
Tokyo-to, Japan
Patent: 758
Tokyo-to, Japan
Patent: 659
Beijing Shi, China
Patent: 553
With the analysis among 241 patents, we discovered top 48 start-ups by total patent application. C - Green Technology AB, M-I LLC, Knapsack Co. are active in this area.
Texas, United States
Patent: 44
Oregon, United States
Patent: 14
Tokyo-to, Japan
Patent: 13
California, United States
Patent: 13
California, United States
Patent: 12
California, United States
Patent: 8
Harjumaa, Estonia
Patent: 8
With the analysis among related 83,734 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Beijing University of Technology, Tongji University, Hangzhou Guotai Environmental Protection Technology Co., Ltd. take 0.97% of patent filing during this period.
Beijing Shi, China
Patent: 336
Shanghai Shi, China
Patent: 253
Zhejiang Sheng, China
Patent: 223
Beijing Shi, China
Patent: 164
Beijing Shi, China
Patent: 147
Jiangsu Sheng, China
Patent: 142
Guangdong Sheng, China
Patent: 136
Beijing Shi, China
Patent: 131
Zhejiang Sheng, China
Patent: 112
Yunnan Sheng, China
Patent: 108
With the analysis among related 83,734 patents in last 5 years, we discover 84 new entrants. Xi'an West Heat Boiler Environmental Protection Engineering Co., Ltd., Anhui Meichen Ecological Technology Co., Ltd., Shanghai Environmental Engineering Design & Research Institute are the most active new entrants in this area.
Shaanxi Sheng, China
Patent: 53
Anhui Sheng, China
Patent: 50
Shanghai Shi, China
Patent: 44
Beijing Shi, China
Patent: 40
Guangdong Sheng, China
Patent: 39
Henan Sheng, China
Patent: 35
Shanghai Shi, China
Patent: 35
Beijing Shi, China
Patent: 34
Guangdong Sheng, China
Patent: 34
With the analysis among 27,216 patents, we discovered top 331 universities and scientific research institutions by total patent application. Beijing University of Technology, Tongji University, Zhejiang University are dominant in this area. They take 6.82% of the total patent filing.
Beijing Shi, China
Patent: 726
Shanghai Shi, China
Patent: 641
Zhejiang Sheng, China
Patent: 490
Heilongjiang Sheng, China
Patent: 409
Guangdong Sheng, China
Patent: 390
Jiangsu Sheng, China
Patent: 337
Beijing Shi, China
Patent: 278
Jiangsu Sheng, China
Patent: 224
Tianjin Shi, China
Patent: 223
Jiangsu Sheng, China
Patent: 215