With the analysis among 928 patents, we discovered top 467 key players by total patent application. Ohbayashi Corp., Shimizu Corp., NKK Corp. are dominant in this area. They take 4.96% of the total patent filing.
Jiangsu Sheng, China
Patent: 19
Tokyo-to, Japan
Patent: 14
Tokyo-to, Japan
Patent: 13
Jiangsu Sheng, China
Patent: 11
Tokyo-to, Japan
Patent: 10
Shanghai Shi, China
Patent: 10
Sekisui Chemical Co., Ltd.
Korea Institute of Construction Technology
Gyeonggi-do, South Korea
Patent: 6
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
Harjumaa, Estonia
Patent: 1
With the analysis among related 545 patents applied in the last 5 years. We discover 401 most active companies in this area. The fast-growing China University of Mining & Technology, Capital Normal University, Korea Institute of Construction Technology take 4.59% of patent filing during this period.
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 11
Capital Normal University
Beijing Shi, China
Patent: 8
Korea Institute of Construction Technology
Gyeonggi-do, South Korea
Patent: 6
Sinohydro Bureau 11 Co., Ltd.
Henan Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
China Power Construction Eleventh Bureau Engineering Co., Ltd.
Henan Sheng, China
Patent: 5
Shandong Sheng, China
Patent: 5
Henan Sheng, China
Patent: 5
China Railway 18th Bureau Group Co., Ltd.
Tianjin Shi, China
Patent: 4
Shanghai Shi, China
Patent: 4
With the analysis among related 545 patents in last 5 years, we discover 361 new entrants. Shandong University, Sinohydro Bureau 11 Co., Ltd., China Power Construction Eleventh Bureau Engineering Co., Ltd. are the most active new entrants in this area.
Shandong Sheng, China
Patent: 5
Sinohydro Bureau 11 Co., Ltd.
Henan Sheng, China
Patent: 5
China Power Construction Eleventh Bureau Engineering Co., Ltd.
Henan Sheng, China
Patent: 5
Henan Sheng, China
Patent: 5
Guangdong Dongguan Geological Engineering Survey Institute Co., Ltd.
Guangdong Sheng, China
Patent: 4
Guangdong Geological Surveying and Mapping Research Institute Co., Ltd.
Guangdong Sheng, China
Patent: 4
Incheon University Industry Academic Cooperation Foundation
Beijing Huineng Tianxia Technology Development Co., Ltd.
Beijing Shi, China
Patent: 4
China Railway 14th Bureau Group Co., Ltd.
Shandong Sheng, China
Patent: 4
With the analysis among 239 patents, we discovered top 72 universities and scientific research institutions by total patent application. China University of Mining & Technology, Capital Normal University, Tongji University are dominant in this area. They take 16.74% of the total patent filing.
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 18
Capital Normal University
Beijing Shi, China
Patent: 10
Shanghai Shi, China
Patent: 9
Jiangsu Sheng, China
Patent: 7
Railway Technical Research Institute
Shandong Sheng, China
Patent: 5
China University of Geosciences Beijing
Hubei Sheng, China
Patent: 5
Henan Sheng, China
Patent: 5
Shanghai Jiao Tong University
Shanghai Shi, China
Patent: 4
Anhui University of Science & Technology
Anhui Sheng, China
Patent: 4