With the analysis among 138 patents, we discovered top 85 key players by total patent application. Versa Power Systems Ltd., Beijing GeoEnviron Engineering & Technology, Inc., Youyan Resources and Environmental Technology Research Institute (Beijing) Co., Ltd. are dominant in this area. They take 21.01% of the total patent filing.
Alberta, Canada
Patent: 15
Beijing Shi, China
Patent: 7
Beijing Shi, China
Patent: 7
Beijing Shi, China
Patent: 5
Massachusetts, United States
Patent: 4
Chongqing Shi, China
Patent: 4
Beijing Shi, China
Patent: 3
Henan Sheng, China
Patent: 3
Hunan Sheng, China
Patent: 3
Anhui Sheng, China
Patent: 3
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With the analysis among related 171 patents applied in the last 5 years. We discover 132 most active companies in this area. The fast-growing Youyan Resources and Environmental Technology Research Institute (Beijing) Co., Ltd., South China University of Technology, Beijing GeoEnviron Engineering & Technology, Inc. take 11.11% of patent filing during this period.
Beijing Shi, China
Patent: 7
Guangdong Sheng, China
Patent: 6
Beijing Shi, China
Patent: 6
Beijing Shi, China
Patent: 5
Zhejiang Sheng, China
Patent: 5
Chongqing Shi, China
Patent: 4
Hunan Sheng, China
Patent: 3
Hunan Sheng, China
Patent: 3
Anhui Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
With the analysis among related 171 patents in last 5 years, we discover 122 new entrants. Youyan Resources and Environmental Technology Research Institute (Beijing) Co., Ltd., South China University of Technology, Youyan Engineering Technology Research Institute Co., Ltd. are the most active new entrants in this area.
Beijing Shi, China
Patent: 7
Guangdong Sheng, China
Patent: 6
Beijing Shi, China
Patent: 5
Chongqing Shi, China
Patent: 4
Hunan Sheng, China
Patent: 3
Anhui Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
With the analysis among 113 patents, we discovered top 55 universities and scientific research institutions by total patent application. Zhejiang University, South China University of Technology, Central South University are dominant in this area. They take 15.04% of the total patent filing.
Zhejiang Sheng, China
Patent: 6
Guangdong Sheng, China
Patent: 6
Hunan Sheng, China
Patent: 5
Hubei Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
Liaoning Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Sichuan Sheng, China
Patent: 2