With the analysis among 5,354 patents, we discovered top 454 key players by total patent application. Takenaka Corp., Kajima Corp., Shimizu Kensetsu KK are dominant in this area. They take 5.77% of the total patent filing.
With the analysis among related 1,660 patents applied in the last 5 years. We discover 393 most active companies in this area. The fast-growing CCCC Third Harbor Consultants Co., Ltd., China Railway Siyuan Survey & Design Group Co., Ltd., Xi'an University of Architecture & Technology take 3.37% of patent filing during this period.
With the analysis among related 1,660 patents in last 5 years, we discover 232 new entrants. Henan Polytechnic University, Henan Vocational & Technical College of Communications, Beijing Institute Of Architectural Design Co., Ltd. are the most active new entrants in this area.
With the analysis among 786 patents, we discovered top 162 universities and scientific research institutions by total patent application. Beijing University of Technology, Chang'an University, Xi'an University of Architecture & Technology are dominant in this area. They take 9.29% of the total patent filing.