With the analysis among 19,205 patents, we discovered top 439 key players by total patent application. Shimizu Kensetsu KK, Ohbayashi Corp., Kajima Corp. are dominant in this area. They take 3.60% of the total patent filing.
Ibaraki, Japan
Patent: 329
Rheinland-Pfalz, Germany
Patent: 116
Sichuan Sheng, China
Patent: 111
Beijing Shi, China
Patent: 72
With the analysis among 59 patents, we discovered top 18 start-ups by total patent application. Deep Isolation, Inc., Wellthy Corp., Wellntel, Inc. are active in this area.
California, United States
Patent: 13
Wisconsin, United States
Patent: 6
Wisconsin, United States
Patent: 2
Texas, United States
Patent: 2
New York, United States
Patent: 1
Texas, United States
Patent: 1
With the analysis among related 11,387 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Hohai University, China Railway Eryuan Engineering Group Co., Ltd., China University of Geosciences take 2.49% of patent filing during this period.
Jiangsu Sheng, China
Patent: 109
Sichuan Sheng, China
Patent: 94
Beijing Shi, China
Patent: 80
Jilin Sheng, China
Patent: 68
Shanghai Shi, China
Patent: 55
Beijing Shi, China
Patent: 50
Jiangsu Sheng, China
Patent: 50
Guizhou Sheng, China
Patent: 47
With the analysis among related 11,387 patents in last 5 years, we discover 193 new entrants. China City Environment Protection Engineering Ltd. Co., Zhengzhou University, Hyolim Co. Ltd. are the most active new entrants in this area.
Hubei Sheng, China
Patent: 29
Shanxi Sheng, China
Patent: 18
Guangxi Zhuangzu Zizhiqu, China
Patent: 15
Beijing Shi, China
Patent: 14
Guangdong Sheng, China
Patent: 13
California, United States
Patent: 13
China Water Resources & Hydropower Ninth Engineering Bureau
Beijing Shi, China
Patent: 12
With the analysis among 6,682 patents, we discovered top 329 universities and scientific research institutions by total patent application. Hohai University, China University of Geosciences, Jilin University are dominant in this area. They take 7.57% of the total patent filing.
Jiangsu Sheng, China
Patent: 205
Beijing Shi, China
Patent: 139
Jilin Sheng, China
Patent: 110
Shanghai Shi, China
Patent: 103
Beijing Shi, China
Patent: 81
Jiangsu Sheng, China
Patent: 77
Zhejiang Sheng, China
Patent: 71
Beijing Shi, China
Patent: 70
Beijing Shi, China
Patent: 69
Shandong Sheng, China
Patent: 67