With the analysis among 211 patents, we discovered top 163 key players by total patent application. NTT DOCOMO, Inc., State Grid Corp. of China, International Business Machines Corp. are dominant in this area. They take 17.54% of the total patent filing.
Tokyo-to, Japan
Patent: 18
Beijing Shi, China
Patent: 12
New York, United States
Patent: 7
Pennsylvania, United States
Patent: 4
Guizhou Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
California, United States
Patent: 3
Beijing Shi, China
Patent: 3
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With the analysis among related 211 patents applied in the last 5 years. We discover 170 most active companies in this area. The fast-growing Southwest Petroleum University, North Eastern University, Datang Environment Industry Group Co., Ltd. take 7.58% of patent filing during this period.
Sichuan Sheng, China
Patent: 9
Liaoning Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
Shandong Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Henan Sheng, China
Patent: 3
Liaoning Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 3
With the analysis among related 211 patents in last 5 years, we discover 137 new entrants. Southwest Petroleum University, Datang Environment Industry Group Co., Ltd., Henan Agricultural University are the most active new entrants in this area.
Sichuan Sheng, China
Patent: 9
Beijing Shi, China
Patent: 3
Henan Sheng, China
Patent: 3
Liaoning Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Chongqing Shi, China
Patent: 2
With the analysis among 232 patents, we discovered top 101 universities and scientific research institutions by total patent application. Southwest Petroleum University, North Eastern University, Zhejiang University are dominant in this area. They take 9.48% of the total patent filing.
Sichuan Sheng, China
Patent: 9
Liaoning Sheng, China
Patent: 7
Zhejiang Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Beijing Shi, China
Patent: 4
Hunan Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 3
Anhui Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3