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
Sumitomo Metal Industries Ltd.
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 Shihe Technology Co. Ltd.
Beijing Shi, China
Patent: 2
Boya Gongdao Beijing Robot Technology Co. Ltd.
Beijing Shi, China
Patent: 2
Beijing Xiaoguantea Co. Ltd.
Beijing Shi, China
Patent: 2
Shenzhen Xingzhixing Robot Technology Co. Ltd.
Guangdong Sheng, China
Patent: 2
California, United States
Patent: 1
Shanghai Junzheng Network Technology Co., Ltd.
Shanghai Shi, China
Patent: 1
WM Motor Technology Co., Ltd.
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.
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 91
Henan Polytechnic University
Henan Sheng, China
Patent: 68
China Railway Engineering Equipment Group Co., Ltd.
Henan Sheng, China
Patent: 51
Chongqing Research Inst of China Coal Tech & Eng Group Corp.
Chongqing Shi, China
Patent: 48
China University of Petroleum (East China)
Shandong Sheng, China
Patent: 42
Shandong University of Science & Technology
Shandong Sheng, China
Patent: 42
Xi'an Jiaotong University
Shaanxi Sheng, China
Patent: 35
Zhejiang Yilei Environmental Protection Technology Co., Ltd.
Zhejiang Sheng, China
Patent: 34
Chongqing Shi, China
Patent: 32
Xi'an Thermal Power Research Institute Co., Ltd.
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.
Wuhan Institute of Geotechnical Mechanics, Chinese Academy of Sciences
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Patent: 28
Prowo (Tianjin) Technology Co., Ltd.
Tianjin Shi, China
Patent: 24
Nanjing Geo Underground Space Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 18
Jiangsu Sheng, China
Patent: 16
China Metallurgical CCID Technology Research Center Co., Ltd.
Chongqing Shi, China
Patent: 15
Huang He Shui Li Wei Yuan Hui Huang He Ji Xie Chang
Henan Sheng, China
Patent: 14
Tianjin Waihai Technology Co., Ltd.
Tianjin Shi, China
Patent: 14
Binzhou Senjie Machinery Technology Co., Ltd.
Shandong Sheng, China
Patent: 13
State Key Laboratory of Shield Tunneling and Tunneling Technology
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Patent: 13
Hubei University of Science & Technology
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.
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 250
Henan Polytechnic University
Henan Sheng, China
Patent: 111
Shandong University of Science & Technology
Shandong Sheng, China
Patent: 96
Anhui University of Science & Technology
Anhui Sheng, China
Patent: 71
China University of Petroleum (East China)
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
Xi'an Jiaotong University
Shaanxi Sheng, China
Patent: 49