With the analysis among 3,069 patents, we discovered top 482 key players by total patent application. Toa, Inc., Franz Plasser Bahnbaumaschinen Industriegesellschaft mbH, Mitsubishi Heavy Industries, Ltd. are dominant in this area. They take 2.48% of the total patent filing.
Hokkaido, Japan
Patent: 29
Franz Plasser Bahnbaumaschinen Industriegesellschaft mbH
Mitsubishi Heavy Industries, Ltd.
Tokyo-to, Japan
Patent: 22
Jiangsu Sheng, China
Patent: 21
Penta-Ocean Construction Co., Ltd.
Yamanashi-ken, Japan
Patent: 19
Tokyo-to, Japan
Patent: 18
Powerchina Guiyang Engineering Corp. Ltd.
Guizhou Sheng, China
Patent: 16
Toyo Construction Co., Ltd.
Osaka-fu, Japan
Patent: 14
Tokyo-to, Japan
Patent: 11
Chinese Metallurgical Group Co., Ltd.
Anhui Sheng, China
Patent: 11
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
California, United States
Patent: 1
With the analysis among related 1,439 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Powerchina Guiyang Engineering Corp. Ltd., China Railway No. 3 Engineering Group Co., Ltd., Chongqing Blues Urban Landscape Planning & Design Co., Ltd. take 1.74% of patent filing during this period.
Powerchina Guiyang Engineering Corp. Ltd.
Guizhou Sheng, China
Patent: 12
China Railway No. 3 Engineering Group Co., Ltd.
Shanxi Sheng, China
Patent: 7
Chongqing Blues Urban Landscape Planning & Design Co., Ltd.
Chongqing Shi, China
Patent: 6
China Railway First Survey & Design Institute Group Co., Ltd.
Shaanxi Sheng, China
Patent: 6
China Construction Eighth Engineering Division Corp. Ltd.
Shanghai Shi, China
Patent: 6
Southwest University of Science & Technology
Sichuan Sheng, China
Patent: 6
Hebei Water Conservancy and Hydropower Survey, Design and Research Institute Group Co., Ltd.
Tianjin Shi, China
Patent: 5
China Academy of Railway Sciences Group Co. Ltd.
Beijing Shi, China
Patent: 5
Chinese Metallurgical Group Co., Ltd.
Anhui Sheng, China
Patent: 5
China Five Metallurgical Group Co., Ltd.
Sichuan Sheng, China
Patent: 5
With the analysis among related 1,439 patents in last 5 years, we discover 405 new entrants. Chongqing Blues Urban Landscape Planning & Design Co., Ltd., Southwest University of Science & Technology, Hebei Water Conservancy and Hydropower Survey, Design and Research Institute Group Co., Ltd. are the most active new entrants in this area.
Chongqing Blues Urban Landscape Planning & Design Co., Ltd.
Chongqing Shi, China
Patent: 6
Southwest University of Science & Technology
Sichuan Sheng, China
Patent: 6
Hebei Water Conservancy and Hydropower Survey, Design and Research Institute Group Co., Ltd.
Tianjin Shi, China
Patent: 5
China Five Metallurgical Group Co., Ltd.
Sichuan Sheng, China
Patent: 5
Shijiazhuang Tiedao University
Hebei Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Beijing Tieke Special Engineering Technology Co., Ltd.
Beijing Shi, China
Patent: 4
Guangdong Guanyue Highway & Bridge Co. Ltd.
Guangdong Sheng, China
Patent: 4
CCCC Investment Nanjing Co., Ltd.
Jiangsu Sheng, China
Patent: 4
Shanghai Baoye Group Co., Ltd.
Shanghai Shi, China
Patent: 4
With the analysis among 543 patents, we discovered top 144 universities and scientific research institutions by total patent application. Tongji University, Chang'an University, Shandong University of Science & Technology are dominant in this area. They take 7.18% of the total patent filing.
Shanghai Shi, China
Patent: 12
Shaanxi Sheng, China
Patent: 12
Shandong University of Science & Technology
Shandong Sheng, China
Patent: 9
Guizhou Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 7
Shandong Sheng, China
Patent: 6
Hunan Sheng, China
Patent: 6
Vilniaus Gedimino Technikos Universitetas
Vilniaus apskritis, Lithuania
Patent: 6
Southwest University of Science & Technology
Sichuan Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 6