With the analysis among 735 patents, we discovered top 213 key players by total patent application. Mitsubishi Electric Corp., Pangang Group Panzhihua Iron&Steel Research Institute Co.,Ltd., Institute of Metals and Chemistry of China Academy of Railway Sciences Group Co., Ltd. are dominant in this area. They take 19.86% of the total patent filing.
Tokyo-to, Japan
Patent: 60
Sichuan Sheng, China
Patent: 51
Beijing Shi, China
Patent: 35
Tokyo-to, Japan
Patent: 32
Beijing Shi, China
Patent: 32
Beijing Shi, China
Patent: 32
Guizhou Sheng, China
Patent: 28
Tokyo-to, Japan
Patent: 26
Jiangsu Sheng, China
Patent: 26
Jiangsu Sheng, China
Patent: 26
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With the analysis among related 219 patents applied in the last 5 years. We discover 85 most active companies in this area. The fast-growing Pangang Group Panzhihua Iron&Steel Research Institute Co.,Ltd., China Academy of Railway Sciences Group Co. Ltd., Institute of Metals and Chemistry of China Academy of Railway Sciences Group Co., Ltd. take 36.07% of patent filing during this period.
Sichuan Sheng, China
Patent: 49
Beijing Shi, China
Patent: 15
Beijing Shi, China
Patent: 15
Beijing Shi, China
Patent: 15
Shaanxi Sheng, China
Patent: 12
Sichuan Sheng, China
Patent: 10
Sichuan Sheng, China
Patent: 9
Jiangsu Sheng, China
Patent: 9
Jiangsu Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 5
With the analysis among related 219 patents in last 5 years, we discover 56 new entrants. Nantong Ruijin Chain Technology Co., Ltd., Jiangsu Zhengmao Ocean Chain Industry Co., Ltd., Baotou Iron & Steel (Group) Co. Ltd. are the most active new entrants in this area.
Jiangsu Sheng, China
Patent: 5
Jiangsu Zhengmao Ocean Chain Industry Co., Ltd.
Jiangsu Sheng, China
Patent: 4
Baotou Iron & Steel (Group) Co. Ltd.
Nei Mongol Zizhiqu, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Shanxi Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Anhui Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Chengdu Jiaotong University Welding Technology Co., Ltd.
Sichuan Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 2
With the analysis among 122 patents, we discovered top 12 universities and scientific research institutions by total patent application. Southwest Jiaotong University, Jiangsu University of Science & Technology, Yanshan University are dominant in this area. They take 81.15% of the total patent filing.
Sichuan Sheng, China
Patent: 11
Jiangsu Sheng, China
Patent: 5
Hebei Sheng, China
Patent: 4
Guizhou Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Liaoning Sheng, China
Patent: 1