With the analysis among 34,409 patents, we discovered top 480 key players by total patent application. Hitachi Ltd., NIPPON STEEL CORP., Mitsubishi Heavy Industries, Ltd. are dominant in this area. They take 1.74% of the total patent filing.
Tokyo-to, Japan
Patent: 207
Tokyo-to, Japan
Patent: 207
Mitsubishi Heavy Industries, Ltd.
Tokyo-to, Japan
Patent: 183
Tokyo-to, Japan
Patent: 160
Shanghai Shi, China
Patent: 133
Osaka-fu, Japan
Patent: 130
Tokyo-to, Japan
Patent: 99
Tokyo-to, Japan
Patent: 96
Toyama-ken, Japan
Patent: 87
With the analysis among 46 patents, we discovered top 22 start-ups by total patent application. Ozone International LLC, Aisin KK, Plover, Inc. are active in this area.
Arkansas, United States
Patent: 10
Oregon, United States
Patent: 4
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 2
California, United States
Patent: 1
Shanghai Shi, China
Patent: 1
Shanghai Shi, China
Patent: 1
With the analysis among related 19,818 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing China University of Mining & Technology, Henan Polytechnic University, China Railway Engineering Equipment Group Co., Ltd. take 1.06% of patent filing during this period.
Jiangsu Sheng, China
Patent: 91
Henan Sheng, China
Patent: 68
Henan Sheng, China
Patent: 51
Chongqing Shi, China
Patent: 48
Shandong Sheng, China
Patent: 42
Shandong Sheng, China
Patent: 42
Shaanxi Sheng, China
Patent: 35
Zhejiang Sheng, China
Patent: 34
Chongqing Shi, China
Patent: 32
Shaanxi Sheng, China
Patent: 32
With the analysis among related 19,818 patents in last 5 years, we discover 216 new entrants. Wuhan Institute of Geotechnical Mechanics, Chinese Academy of Sciences, Prowo (Tianjin) Technology Co., Ltd., Nanjing Geo Underground Space Technology Co., Ltd. are the most active new entrants in this area.
undefined undefined
Patent: 28
Tianjin Shi, China
Patent: 24
Jiangsu Sheng, China
Patent: 18
Jiangsu Sheng, China
Patent: 16
Chongqing Shi, China
Patent: 15
Henan Sheng, China
Patent: 14
Tianjin Shi, China
Patent: 14
Shandong Sheng, China
Patent: 13
undefined undefined
Patent: 13
Hubei Sheng, China
Patent: 13
With the analysis among 4,695 patents, we discovered top 264 universities and scientific research institutions by total patent application. China University of Mining & Technology, Henan Polytechnic University, Shandong University of Science & Technology are dominant in this area. They take 9.73% of the total patent filing.
Jiangsu Sheng, China
Patent: 250
Henan Sheng, China
Patent: 111
Shandong Sheng, China
Patent: 96
Anhui Sheng, China
Patent: 71
Shandong Sheng, China
Patent: 69
Zhejiang Sheng, China
Patent: 64
Chongqing Shi, China
Patent: 58
Hubei Sheng, China
Patent: 51
Shandong Sheng, China
Patent: 50
Shaanxi Sheng, China
Patent: 49