With the analysis among 183 patents, we discovered top 105 key players by total patent application. Quan Zhou Shi Tie Tong Dian Zi She Bei You Xian Gong Si, Beijing Jinhong Xi-Dian Information Technology Co., Ltd., Nanjing Ticom Tech Co., Ltd. are dominant in this area. They take 18.58% of the total patent filing.
Fujian Sheng, China
Patent: 14
Beijing Shi, China
Patent: 10
Jiangsu Sheng, China
Patent: 10
Beijing Shi, China
Patent: 10
Beijing Shi, China
Patent: 9
Beijing Shi, China
Patent: 8
Tianjin Shi, China
Patent: 7
Guangdong Sheng, China
Patent: 7
Beijing Shi, China
Patent: 6
With the analysis among 6 patents, we discovered top 2 start-ups by total patent application.
Beijing Shi, China
Patent: 5
With the analysis among related 29 patents applied in the last 5 years. We discover 27 most active companies in this area. The fast-growing Beijing National Railway Rsch & Design Inst of Signal & Comm, Communication and Signal Research Institute of China Academy of Railway Sciences Group Co., Ltd., Nanjing Ticom Tech Co., Ltd. take 24.14% of patent filing during this period.
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Fujian Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Hunan Sheng, China
Patent: 1
Tianjin Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
With the analysis among related 29 patents in last 5 years, we discover 12 new entrants. Beijing Zhongtieliewei Electricity Equipment Co. Ltd., Hunan CRRC Times Signal & Communication Co., Ltd., Tianjin 712 Mobile Communication Co., Ltd. are the most active new entrants in this area.
Beijing Shi, China
Patent: 1
Hunan Sheng, China
Patent: 1
Tianjin Shi, China
Patent: 1
Shanghai Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Anhui Puhua IoT Technology Co., Ltd.
Anhui Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
With the analysis among 42 patents, we discovered top 12 universities and scientific research institutions by total patent application. Beijing Jiaotong University, Shanghai Jiao Tong University, Southwest Jiaotong University are dominant in this area. They take 64.29% of the total patent filing.
Beijing Shi, China
Patent: 12
Shanghai Shi, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 2
Hunan Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Guangxi Zhuangzu Zizhiqu, China
Patent: 1
Shanxi Sheng, China
Patent: 1