With the analysis among 171,115 patents, we discovered top 456 key players by total patent application. China Petroleum & Chemical Corp., State Grid Corp. of China, PetroChina Co., Ltd. are dominant in this area. They take 1.34% of the total patent filing.
Beijing Shi, China
Patent: 1,107
Beijing Shi, China
Patent: 654
Beijing Shi, China
Patent: 538
Minnesota, United States
Patent: 321
Guangdong Sheng, China
Patent: 272
Beijing Shi, China
Patent: 222
Liaoning Sheng, China
Patent: 181
Mitsubishi Heavy Industries, Ltd.
Tokyo-to, Japan
Patent: 168
With the analysis among 206 patents, we discovered top 111 start-ups by total patent application. Pantest (Beijing) Environmental Technology Co., Ltd., Lansion Biotechnology Co. Ltd., Is CLEAN AIR Italia SRL are active in this area.
Beijing Shi, China
Patent: 11
Jiangsu Sheng, China
Patent: 8
Texas, United States
Patent: 7
Texas, United States
Patent: 6
Colorado, United States
Patent: 5
California, United States
Patent: 4
Hunan Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
With the analysis among related 84,888 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing China Petroleum & Chemical Corp., Hohai University, State Grid Corp. of China take 0.71% of patent filing during this period.
Beijing Shi, China
Patent: 248
Jiangsu Sheng, China
Patent: 188
Beijing Shi, China
Patent: 169
Zhejiang Sheng, China
Patent: 162
Yunnan Sheng, China
Patent: 161
Hunan Sheng, China
Patent: 159
Guangdong Sheng, China
Patent: 155
Beijing Shi, China
Patent: 148
Tianjin Shi, China
Patent: 147
With the analysis among related 84,888 patents in last 5 years, we discover 33 new entrants. Zhongke Sanqing Technology Co., Ltd., Hubei Shentan Environmental Protection New Material Co., Ltd., Nova Fitness Co Ltd are the most active new entrants in this area.
Beijing Shi, China
Patent: 61
Hubei Sheng, China
Patent: 51
Shandong Sheng, China
Patent: 35
Chongqing Shi, China
Patent: 28
Anhui Sheng, China
Patent: 27
Beijing Shi, China
Patent: 24
Guangdong Sheng, China
Patent: 22
Shandong Sheng, China
Patent: 21
Beijing Shi, China
Patent: 21
With the analysis among 51,671 patents, we discovered top 362 universities and scientific research institutions by total patent application. Zhejiang University, Tianjin University, South China University of Technology are dominant in this area. They take 3.90% of the total patent filing.
Zhejiang Sheng, China
Patent: 829
Tianjin Shi, China
Patent: 522
Guangdong Sheng, China
Patent: 520
Yunnan Sheng, China
Patent: 520
Hunan Sheng, China
Patent: 487
Beijing Shi, China
Patent: 471
Jiangsu Sheng, China
Patent: 457
Shanghai Shi, China
Patent: 433
Jiangsu Sheng, China
Patent: 422
Heilongjiang Sheng, China
Patent: 415