With the analysis among 688 patents, we discovered top 302 key players by total patent application. Ohbayashi Corp., Kajima Corp., TAISEI Corp. are dominant in this area. They take 18.90% of the total patent filing.
Jiangsu Sheng, China
Patent: 55
Jiangsu Sheng, China
Patent: 39
Tokyo-to, Japan
Patent: 36
Shanghai Shi, China
Patent: 32
Tokyo-to, Japan
Patent: 29
Hokkaido, Japan
Patent: 18
Penta-Ocean Construction Co., Ltd.
Yamanashi-ken, Japan
Patent: 14
Jiangsu Sheng, China
Patent: 13
Tokyo-to, Japan
Patent: 12
Tokyo-to, Japan
Patent: 12
With the analysis among 2 patents, we discovered top 1 start-ups by total patent application.
New York, United States
Patent: 2
With the analysis among related 131 patents applied in the last 5 years. We discover 97 most active companies in this area. The fast-growing Ohbayashi Corp., Penta-Ocean Construction Co., Ltd., Strata Products Worldwide LLC take 10.69% of patent filing during this period.
Jiangsu Sheng, China
Patent: 6
Penta-Ocean Construction Co., Ltd.
Yamanashi-ken, Japan
Patent: 4
Strata Products Worldwide LLC
Pennsylvania, United States
Patent: 4
China Construction Third Engineering Bureau Group Co. Ltd.
Hubei Sheng, China
Patent: 3
Chinese Metallurgical Group Co., Ltd.
Anhui Sheng, China
Patent: 3
China MCC 20 Group Co., Ltd.
Shanghai Shi, China
Patent: 3
Huai'an Water Conservancy Survey & Design Institute Co., Ltd.
Jiangsu Sheng, China
Patent: 2
China Railway 19th Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 2
Chemical Industry Geotechnical Engineering Co., Ltd.
Jiangsu Sheng, China
Patent: 2
Anhui Highway Bridge Engineering Co. Ltd.
Anhui Sheng, China
Patent: 2
With the analysis among related 131 patents in last 5 years, we discover 87 new entrants. Strata Products Worldwide LLC, China Construction Third Engineering Bureau Group Co. Ltd., China MCC 20 Group Co., Ltd. are the most active new entrants in this area.
Strata Products Worldwide LLC
Pennsylvania, United States
Patent: 4
China Construction Third Engineering Bureau Group Co. Ltd.
Hubei Sheng, China
Patent: 3
China MCC 20 Group Co., Ltd.
Shanghai Shi, China
Patent: 3
Guangdong No.2 Hydropower Engineering Co., Ltd.
Guangdong Sheng, China
Patent: 2
Huai'an Water Conservancy Survey & Design Institute Co., Ltd.
Jiangsu Sheng, China
Patent: 2
China Railway 19th Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 2
New York, United States
Patent: 2
Yue Hydropower Rail Transit Construction Co., Ltd.
Guangdong Sheng, China
Patent: 2
Chemical Industry Geotechnical Engineering Co., Ltd.
Jiangsu Sheng, China
Patent: 2
The Eleventh Design & Research Institute of IT Co., Ltd.
Sichuan Sheng, China
Patent: 2
With the analysis among 24 patents, we discovered top 14 universities and scientific research institutions by total patent application. Zhejiang University, Taiyuan University of Technology, Hubei University of Technology are dominant in this area. They take 16.67% of the total patent filing.
Zhejiang Sheng, China
Patent: 2
Taiyuan University of Technology
Shanxi Sheng, China
Patent: 1
Hubei University of Technology
Hubei Sheng, China
Patent: 1
Chengdu University of Technology
Sichuan Sheng, China
Patent: 1
Zhejiang University City College
Zhejiang Sheng, China
Patent: 1
Tokyo Institute of Technology
East China Jiaotong University
Jiangxi Sheng, China
Patent: 1
Xi'an University of Architecture & Technology
Shaanxi Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Shijiazhuang Tiedao University
Hebei Sheng, China
Patent: 1