With the analysis among 1,933 patents, we discovered top 456 key players by total patent application. Shimizu Corp., Kajima Corp., TAISEI Corp. are dominant in this area. They take 5.54% of the total patent filing.
Tokyo-to, Japan
Patent: 45
Jiangsu Sheng, China
Patent: 36
Tokyo-to, Japan
Patent: 26
Jiangsu Sheng, China
Patent: 24
Shanghai Shi, China
Patent: 15
Guizhou Sheng, China
Patent: 14
Connecticut, United States
Patent: 13
Osaka-fu, Japan
Patent: 11
With the analysis among 4 patents, we discovered top 4 start-ups by total patent application. Repro, Inc., Zuzi, Geco Technologies are active in this area.
Guangdong Sheng, China
Patent: 1
Nuevo León, Mexico
Patent: 1
With the analysis among related 441 patents applied in the last 5 years. We discover 326 most active companies in this area. The fast-growing Powerchina Guiyang Engineering Corp. Ltd., Chengdu University of Technology, China Construction Eighth Engineering Division Corp. Ltd. take 5.44% of patent filing during this period.
Guizhou Sheng, China
Patent: 11
Sichuan Sheng, China
Patent: 7
Shanghai Shi, China
Patent: 6
Guizhou Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
Aiyiji Environmental Restoration Technology (Beijing) Co., Ltd.
Beijing Shi, China
Patent: 5
Guangdong Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 3
Anhui Sheng, China
Patent: 3
With the analysis among related 441 patents in last 5 years, we discover 253 new entrants. Aiyiji Environmental Restoration Technology (Beijing) Co., Ltd., Central Mining Institute, Guangdong Water Conservancy and Hydropower Third Engineering Bureau Co., Ltd. are the most active new entrants in this area.
Aiyiji Environmental Restoration Technology (Beijing) Co., Ltd.
Beijing Shi, China
Patent: 5
Guangdong Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Guangdong Sheng, China
Patent: 3
Guizhou Sheng, China
Patent: 3
Chongqing Shi, China
Patent: 3
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
Shandong Sheng, China
Patent: 3
With the analysis among 610 patents, we discovered top 141 universities and scientific research institutions by total patent application. Hohai University, Zhejiang University, Qingdao University of Technology are dominant in this area. They take 10.98% of the total patent filing.
Jiangsu Sheng, China
Patent: 37
Zhejiang Sheng, China
Patent: 19
Shandong Sheng, China
Patent: 11
Sichuan Sheng, China
Patent: 10
Hubei Sheng, China
Patent: 9
Shanghai Shi, China
Patent: 8
Yunnan Sheng, China
Patent: 8
Shanghai Shi, China
Patent: 7
Hunan Sheng, China
Patent: 7