With the analysis among 273 patents, we discovered top 247 key players by total patent application. China Petroleum & Chemical Corp., Anhui Jihua New Materials Co., Ltd., China Construction Second Engineering Bureau Co., Ltd. are dominant in this area. They take 4.03% of the total patent filing.
China Petroleum & Chemical Corp.
Beijing Shi, China
Patent: 4
Anhui Jihua New Materials Co., Ltd.
Anhui Sheng, China
Patent: 4
China Construction Second Engineering Bureau Co., Ltd.
Beijing Shi, China
Patent: 3
Shandong Guoshun Construction Group Co. Ltd.
Shandong Sheng, China
Patent: 3
Powerchina Xibei Engineering Corp. Ltd.
Shaanxi Sheng, China
Patent: 3
Sinopec Corp. Shengli Oilfield Branch Exploration and Development Research Institute
Shandong Sheng, China
Patent: 3
Inner Mongolia Jintong Engineering Survey and Design Co., Ltd.
Nei Mongol Zizhiqu, China
Patent: 3
Xingtai Construction Group Co., Ltd.
Nei Mongol Zizhiqu, China
Patent: 3
Inner Mongolia Mengchuang Ecological Technology Co., Ltd.
Nei Mongol Zizhiqu, China
Patent: 3
Shanghai Mingcheng Yongmei Environmental Protection Technology Co., Ltd.
Shanghai Shi, China
Patent: 3
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With the analysis among related 339 patents applied in the last 5 years. We discover 274 most active companies in this area. The fast-growing South China Agricultural University, Southwest Jiaotong University, University of Science & Technology Beijing take 4.42% of patent filing during this period.
South China Agricultural University
Guangdong Sheng, China
Patent: 5
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 5
University of Science & Technology Beijing
Beijing Shi, China
Patent: 5
China Petroleum & Chemical Corp.
Beijing Shi, China
Patent: 4
Anhui Jihua New Materials Co., Ltd.
Anhui Sheng, China
Patent: 4
Hangzhou Shiyue Environmental Engineering Co., Ltd.
Zhejiang Sheng, China
Patent: 3
Changsha University of Science & Technology
Hunan Sheng, China
Patent: 3
Dalian University of Technology
Liaoning Sheng, China
Patent: 3
Inner Mongolia Jintong Engineering Survey and Design Co., Ltd.
Nei Mongol Zizhiqu, China
Patent: 3
Huazhong Agricultural University
Hubei Sheng, China
Patent: 3
With the analysis among related 339 patents in last 5 years, we discover 265 new entrants. South China Agricultural University, Southwest Jiaotong University, University of Science & Technology Beijing are the most active new entrants in this area.
South China Agricultural University
Guangdong Sheng, China
Patent: 5
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 5
University of Science & Technology Beijing
Beijing Shi, China
Patent: 5
China Petroleum & Chemical Corp.
Beijing Shi, China
Patent: 4
Anhui Jihua New Materials Co., Ltd.
Anhui Sheng, China
Patent: 4
Hangzhou Shiyue Environmental Engineering Co., Ltd.
Zhejiang Sheng, China
Patent: 3
Changsha University of Science & Technology
Hunan Sheng, China
Patent: 3
Dalian University of Technology
Liaoning Sheng, China
Patent: 3
Inner Mongolia Jintong Engineering Survey and Design Co., Ltd.
Nei Mongol Zizhiqu, China
Patent: 3
Huazhong Agricultural University
Hubei Sheng, China
Patent: 3
With the analysis among 189 patents, we discovered top 88 universities and scientific research institutions by total patent application. University of Science & Technology Beijing, South China Agricultural University, Southwest Jiaotong University are dominant in this area. They take 7.94% of the total patent filing.
University of Science & Technology Beijing
Beijing Shi, China
Patent: 5
South China Agricultural University
Guangdong Sheng, China
Patent: 5
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 5
North China Electric Power University
Beijing Shi, China
Patent: 4
China University of Petroleum (East China)
Shandong Sheng, China
Patent: 3
Changsha University of Science & Technology
Hunan Sheng, China
Patent: 3
Huazhong Agricultural University
Hubei Sheng, China
Patent: 3
Anhui University of Science & Technology
Anhui Sheng, China
Patent: 3
Southwest Petroleum University
Sichuan Sheng, China
Patent: 3
Guizhou Sheng, China
Patent: 3