With the analysis among 8,302 patents, we discovered top 487 key players by total patent application. Powerchina Huadong Engineering Corp. Ltd., Seibu Polymer Corp., Hebei Hengshui Yitong Metal Products Co. Ltd. are dominant in this area. They take 3.04% of the total patent filing.
Zhejiang Sheng, China
Patent: 93
Hebei Sheng, China
Patent: 76
Saitama-ken, Japan
Patent: 72
Osaka-fu, Japan
Patent: 49
Beijing Shi, China
Patent: 49
Shanghai Shi, China
Patent: 48
Anhui Sheng, China
Patent: 44
Hubei Sheng, China
Patent: 43
Guizhou Sheng, China
Patent: 41
With the analysis among 4 patents, we discovered top 2 start-ups by total patent application.
Victoria, Australia
Patent: 2
New York, United States
Patent: 2
With the analysis among related 4,917 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Powerchina Huadong Engineering Corp. Ltd., Hebei Hengshui Yitong Metal Products Co. Ltd., China Communications First Public Bureau Group Co., Ltd. take 3.70% of patent filing during this period.
Zhejiang Sheng, China
Patent: 82
Hebei Sheng, China
Patent: 53
Beijing Shi, China
Patent: 47
Shaanxi Sheng, China
Patent: 37
Jiangsu Sheng, China
Patent: 35
Beijing Shi, China
Patent: 32
Chongqing Shi, China
Patent: 31
Shaanxi Sheng, China
Patent: 30
Hubei Sheng, China
Patent: 29
Hubei Sheng, China
Patent: 29
With the analysis among related 4,917 patents in last 5 years, we discover 298 new entrants. Chongqing Municipal Drainage Co., Ltd., China Railway Engineering Equipment Group Co., Ltd., Xi'an Century Metal Structure Co., Ltd. are the most active new entrants in this area.
Chongqing Shi, China
Patent: 31
Henan Sheng, China
Patent: 15
Shaanxi Sheng, China
Patent: 14
Henan Sheng, China
Patent: 14
Shandong Sheng, China
Patent: 13
Jiangxi Sheng, China
Patent: 13
Zhejiang Sheng, China
Patent: 13
Beijing Shi, China
Patent: 12
Hubei Sheng, China
Patent: 12
Nei Mongol Zizhiqu, China
Patent: 12
With the analysis among 1,178 patents, we discovered top 182 universities and scientific research institutions by total patent application. Chang'an University, Hohai University, Tongji University are dominant in this area. They take 10.27% of the total patent filing.
Shaanxi Sheng, China
Patent: 58
Jiangsu Sheng, China
Patent: 33
Shanghai Shi, China
Patent: 22
Jiangsu Sheng, China
Patent: 22
Beijing Shi, China
Patent: 21
Jiangsu Sheng, China
Patent: 20
Hubei Sheng, China
Patent: 17
Hubei Sheng, China
Patent: 15
Chongqing Shi, China
Patent: 13
Zhejiang Sheng, China
Patent: 12