With the analysis among 22,942 patents, we discovered top 474 key players by total patent application. China Petroleum & Chemical Corp., Mitsubishi Heavy Industries, Ltd., Kurita Water Industries Ltd. are dominant in this area. They take 4.73% of the total patent filing.
Beijing Shi, China
Patent: 465
Mitsubishi Heavy Industries, Ltd.
Tokyo-to, Japan
Patent: 377
Rheinland-Pfalz, Germany
Patent: 243
Osaka-fu, Japan
Patent: 235
Shandong Sheng, China
Patent: 219
Kanagawa-ken, Japan
Patent: 186
Liaoning Sheng, China
Patent: 162
Tokyo-to, Japan
Patent: 146
Tokyo-to, Japan
Patent: 128
Osaka-fu, Japan
Patent: 107
With the analysis among 5 patents, we discovered top 3 start-ups by total patent application.
Tianjin Shi, China
Patent: 3
Harjumaa, Estonia
Patent: 1
With the analysis among related 14,135 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Beijing University of Technology, China Petroleum & Chemical Corp., Tongji University take 4.27% of patent filing during this period.
Beijing Shi, China
Patent: 373
Beijing Shi, China
Patent: 133
Shanghai Shi, China
Patent: 97
Jiangsu Sheng, China
Patent: 85
Hunan Sheng, China
Patent: 73
Shaanxi Sheng, China
Patent: 71
Beijing Shi, China
Patent: 57
Liaoning Sheng, China
Patent: 53
Jiangsu Sheng, China
Patent: 53
Shaanxi Sheng, China
Patent: 52
With the analysis among related 14,135 patents in last 5 years, we discover 170 new entrants. Beijing ZHTD Environmental Protection Technology Co., Ltd., Anhui Shunda Environmental Protection Technology Co., Ltd., Da Yuan Environmental Technology (Xiamen) Co., Ltd. are the most active new entrants in this area.
Beijing Shi, China
Patent: 26
Anhui Sheng, China
Patent: 25
Fujian Sheng, China
Patent: 21
Anhui Sheng, China
Patent: 21
Beijing Shi, China
Patent: 18
Fujian Sheng, China
Patent: 17
Chongqing Shi, China
Patent: 17
Tianjin Shi, China
Patent: 16
Jiangsu Sheng, China
Patent: 15
Sichuan Sheng, China
Patent: 15
With the analysis among 7,264 patents, we discovered top 270 universities and scientific research institutions by total patent application. Beijing University of Technology, Tongji University, Zhejiang University are dominant in this area. They take 16.95% of the total patent filing.
Beijing Shi, China
Patent: 664
Shanghai Shi, China
Patent: 174
Zhejiang Sheng, China
Patent: 169
Jiangsu Sheng, China
Patent: 157
Beijing Shi, China
Patent: 120
Guangdong Sheng, China
Patent: 118
Heilongjiang Sheng, China
Patent: 104
Chongqing Shi, China
Patent: 91
Shandong Sheng, China
Patent: 76
Beijing Shi, China
Patent: 75