With the analysis among 151 patents, we discovered top 138 key players by total patent application. CCCC Tunnel Engineering Co., Ltd., CCCC First Harbor Engineering Co., Ltd., Southwest Communications Construction Group Co. Ltd. are dominant in this area. They take 6.62% of the total patent filing.
CCCC Tunnel Engineering Co., Ltd.
Beijing Shi, China
Patent: 4
CCCC First Harbor Engineering Co., Ltd.
Tianjin Shi, China
Patent: 3
Southwest Communications Construction Group Co. Ltd.
Yunnan Sheng, China
Patent: 3
Yunnan Construction & Investment Holding Group Co., Ltd.
Yunnan Sheng, China
Patent: 3
China Communications First Public Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 3
Zhejiang Communications Construction Group Co., Ltd.
Zhejiang Sheng, China
Patent: 3
Zhongtiedaqiaoju Group Wuhan Bridge Kexue Research Yuan Co. Lt
Hubei Sheng, China
Patent: 3
Zhejiang Provincial Inst of Comm, Planning, Design & Research
Zhejiang Sheng, China
Patent: 3
Zhong Guo Jian Zhu Tu Mu Jian She You Xian Gong Si
Beijing Shi, China
Patent: 3
China Communications First Navigation Bureau Fifth Engineering
Hebei Sheng, China
Patent: 3
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With the analysis among related 176 patents applied in the last 5 years. We discover 155 most active companies in this area. The fast-growing Fuzhou University, CCCC Tunnel Engineering Co., Ltd., China Communications First Public Bureau Group Co., Ltd. take 6.82% of patent filing during this period.
Fujian Sheng, China
Patent: 5
CCCC Tunnel Engineering Co., Ltd.
Beijing Shi, China
Patent: 4
China Communications First Public Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 3
Sinohydro Bureau 14 Co., Ltd.
Yunnan Sheng, China
Patent: 3
Guangxi Aviation Construction Engineering Co., Ltd.
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
China Railway Major Bridge Engineering Group Co., Ltd.
Hubei Sheng, China
Patent: 3
Zhejiang Provincial Inst of Comm, Planning, Design & Research
Zhejiang Sheng, China
Patent: 3
Zhongtiedaqiaoju Group Wuhan Bridge Kexue Research Yuan Co. Lt
Hubei Sheng, China
Patent: 3
CCCC Second Harbor Engineering Bureau Co. Ltd.
Hubei Sheng, China
Patent: 3
Yunnan Construction & Investment Holding Group Co., Ltd.
Yunnan Sheng, China
Patent: 3
With the analysis among related 176 patents in last 5 years, we discover 153 new entrants. Fuzhou University, CCCC Tunnel Engineering Co., Ltd., China Communications First Public Bureau Group Co., Ltd. are the most active new entrants in this area.
Fujian Sheng, China
Patent: 5
CCCC Tunnel Engineering Co., Ltd.
Beijing Shi, China
Patent: 4
China Communications First Public Bureau Group Co., Ltd.
Beijing Shi, China
Patent: 3
Sinohydro Bureau 14 Co., Ltd.
Yunnan Sheng, China
Patent: 3
Guangxi Aviation Construction Engineering Co., Ltd.
Guangxi Zhuangzu Zizhiqu, China
Patent: 3
China Railway Major Bridge Engineering Group Co., Ltd.
Hubei Sheng, China
Patent: 3
Zhejiang Provincial Inst of Comm, Planning, Design & Research
Zhejiang Sheng, China
Patent: 3
Zhongtiedaqiaoju Group Wuhan Bridge Kexue Research Yuan Co. Lt
Hubei Sheng, China
Patent: 3
CCCC Second Harbor Engineering Bureau Co. Ltd.
Hubei Sheng, China
Patent: 3
Yunnan Construction & Investment Holding Group Co., Ltd.
Yunnan Sheng, China
Patent: 3
With the analysis among 30 patents, we discovered top 16 universities and scientific research institutions by total patent application. Fuzhou University, Tsinghua University, Southeast University are dominant in this area. They take 36.67% of the total patent filing.
Fujian Sheng, China
Patent: 5
Beijing Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 2
Harbin Institute of Technology
Heilongjiang Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 1
Jiangxi Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Nanjing University of Aeronautics & Astronautics
Jiangsu Sheng, China
Patent: 1