With the analysis among 103 patents, we discovered top 52 key players by total patent application. Kankyo Kogaku Co. Ltd., Maeda Kosen Co., Ltd., C.I. Takiron Corp. are dominant in this area. They take 28.16% of the total patent filing.
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With the analysis among related 18 patents applied in the last 5 years. We discover 14 most active companies in this area. The fast-growing Maeda Kosen Co., Ltd., harbin railway technical college, Xijing University take 22.22% of patent filing during this period.
Heilongjiang Sheng, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Ningxia Huizi Zizhiqu, China
Patent: 1
Chongqing Shi, China
Patent: 1
Sichuan Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
With the analysis among related 18 patents in last 5 years, we discover 12 new entrants. Hunan Yachen Construction Technology Co., Ltd., harbin railway technical college, Xijing University are the most active new entrants in this area.
Hunan Sheng, China
Patent: 1
Heilongjiang Sheng, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
Guizhou Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Ningxia Huizi Zizhiqu, China
Patent: 1
Beijing Shi, China
Patent: 1
Chongqing Shi, China
Patent: 1
Sichuan Sheng, China
Patent: 1
With the analysis among 13 patents, we discovered top 6 universities and scientific research institutions by total patent application. Guizhou University, North University of China, China Three Gorges University are dominant in this area. They take 23.08% of the total patent filing.
Guizhou Sheng, China
Patent: 1
Shanxi Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
Heilongjiang Sheng, China
Patent: 1
Shaanxi Sheng, China
Patent: 1